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                                    <td id="header-avatar-image-container" valign="top" style="padding: 0; border-collapse: collapse; vertical-align: top; width: 32px; padding-right: 8px" width="32"> <img id="header-avatar-image" class="image_fix" src="https://secure.gravatar.com/avatar/11c53e67beef810bf034ea40a60f8c9d?d=mm&amp;s=48" height="32" width="32" border="0" style="border-radius: 3px; vertical-align: top"> </td> 
                                    <td id="header-text-container" valign="middle" style="padding: 0; border-collapse: collapse; vertical-align: middle; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px"> <a class="user-hover" rel="flobuc" id="email_flobuc" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=flobuc" style="color:#6c797f;; color: #3b73af; text-decoration: none">Florian Buchnet</a> <strong>created</strong> an issue </td> 
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                                                    <td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-11711" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-5394135f-2595-44c0-b937-8e07bc322dba" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11711" style="color: #3b73af; text-decoration: none">HHH-11711</a> </td> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Issue Type:</th> 
                                                    <td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-5394135f-2595-44c0-b937-8e07bc322dba" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </td> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Affects Versions:</th> 
                                                    <td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.2.10 </td> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Assignee:</th> 
                                                    <td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Unassigned </td> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th> 
                                                    <td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 02/May/2017 04:57 AM </td> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Environment:</th> 
                                                    <td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Wildfly 10.1, Hibernate 5.2.10, Oracle 11 </td> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Labels:</th> 
                                                    <td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate performance </td> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Priority:</th> 
                                                    <td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-major-f7952463-d756-463a-8ae4-752cb496b829" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom"> Major </td> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Reporter:</th> 
                                                    <td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="flobuc" id="email_flobuc" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=flobuc" style="color:#6c797f;; color: #3b73af; text-decoration: none">Florian Buchnet</a> </td> 
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                                    <td class="email-content-main mobile-expand  issue-description-container" style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff; padding-top: 5px; padding-bottom: 10px" bgcolor="#ffffff"> 
                                        <table class="text-paragraph-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 2px"> 
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                                                    <td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">I have several entities with a bidirectional @OneToMany-relation with @JoinTable. Functionality is working fine, besides the performance of inserting large amounts of datasets to the database. I found out that in this case Hibernate isn't using batch-processing for all entities. Hibernate using batch-processing for the parent-entities, but not for the childs. It inserts all parent-datasets to the database with batch-processing, but then it generates a child-dataset, then the associated mappingtable-dataset, then the next child-dataset, then the associated mappingtable-dataset and so on, all with single statements.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">When i change the @OneToMany-Relation for test to a @ManyToMany-Relation then batch-processing is used for all datasets, first all parents, then all childs, then all mappings and the performance is increasing dramatically. Also on a unidirectional OneToMany-Relation batch-processing is working fine.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Easy example to reproduce: <br> Parent A:</p> 
                                                        <div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
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                                                                <pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">package</span> com.flobuc;

<span class="code-keyword" style="color: #000091">import</span> javax.persistence.*;
<span class="code-keyword" style="color: #000091">import</span> java.util.Collection;

@Entity
@Table(name = <span class="code-quote" style="color: #009100">"A"</span>)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">class </span>A {
    <span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">String</span> id;
    <span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">String</span> name;
    <span class="code-keyword" style="color: #000091">private</span> Collection&lt;B&gt; bs;

    @Id
    @Column(name = <span class="code-quote" style="color: #009100">"ID"</span>)
    <span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> getId() {
        <span class="code-keyword" style="color: #000091">return</span> id;
    }

    <span class="code-keyword" style="color: #000091">public</span> void setId(<span class="code-object" style="color: #910091">String</span> id) {
        <span class="code-keyword" style="color: #000091">this</span>.id = id;
    }

    @Basic
    @Column(name = <span class="code-quote" style="color: #009100">"NAME"</span>)
    <span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> getName() {
        <span class="code-keyword" style="color: #000091">return</span> name;
    }

    <span class="code-keyword" style="color: #000091">public</span> void setName(<span class="code-object" style="color: #910091">String</span> name) {
        <span class="code-keyword" style="color: #000091">this</span>.name = name;
    }


    @OneToMany(cascade = CascadeType.ALL, mappedBy = <span class="code-quote" style="color: #009100">"a"</span>)
    <span class="code-keyword" style="color: #000091">public</span> Collection&lt;B&gt; getBs() {
        <span class="code-keyword" style="color: #000091">return</span> bs;
    }

    <span class="code-keyword" style="color: #000091">public</span> void setBs(Collection&lt;B&gt; bs) {
        <span class="code-keyword" style="color: #000091">this</span>.bs = bs;
    }

    @Override
    <span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">boolean</span> equals(<span class="code-object" style="color: #910091">Object</span> o) {
        <span class="code-keyword" style="color: #000091">if</span> (<span class="code-keyword" style="color: #000091">this</span> == o) <span class="code-keyword" style="color: #000091">return</span> <span class="code-keyword" style="color: #000091">true</span>;
        <span class="code-keyword" style="color: #000091">if</span> (o == <span class="code-keyword" style="color: #000091">null</span> || getClass() != o.getClass()) <span class="code-keyword" style="color: #000091">return</span> <span class="code-keyword" style="color: #000091">false</span>;

        A a = (A) o;

        <span class="code-keyword" style="color: #000091">if</span> (id != <span class="code-keyword" style="color: #000091">null</span> ? !id.equals(a.id) : a.id != <span class="code-keyword" style="color: #000091">null</span>) <span class="code-keyword" style="color: #000091">return</span> <span class="code-keyword" style="color: #000091">false</span>;
        <span class="code-keyword" style="color: #000091">return</span> name != <span class="code-keyword" style="color: #000091">null</span> ? name.equals(a.name) : a.name == <span class="code-keyword" style="color: #000091">null</span>;
    }

    @Override
    <span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">int</span> hashCode() {
        <span class="code-object" style="color: #910091">int</span> result = id != <span class="code-keyword" style="color: #000091">null</span> ? id.hashCode() : 0;
        result = 31 * result + (name != <span class="code-keyword" style="color: #000091">null</span> ? name.hashCode() : 0);
        <span class="code-keyword" style="color: #000091">return</span> result;
    }
}
</pre> 
                                                            </div>
                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Child B:</p> 
                                                        <div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
                                                            <div class="codeContent panelContent" style="padding: 9px 12px"> 
                                                                <pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">package</span> com.flobuc;

<span class="code-keyword" style="color: #000091">import</span> javax.persistence.*;

@Entity
@Table(name = <span class="code-quote" style="color: #009100">"B"</span>)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">class </span>B {
    <span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">String</span> id;
    <span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">String</span> name;
    <span class="code-keyword" style="color: #000091">private</span> A a;

    @Id
    @Column(name = <span class="code-quote" style="color: #009100">"ID"</span>)
    <span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> getId() {
        <span class="code-keyword" style="color: #000091">return</span> id;
    }

    <span class="code-keyword" style="color: #000091">public</span> void setId(<span class="code-object" style="color: #910091">String</span> id) {
        <span class="code-keyword" style="color: #000091">this</span>.id = id;
    }

    @Basic
    @Column(name = <span class="code-quote" style="color: #009100">"NAME"</span>)
    <span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> getName() {
        <span class="code-keyword" style="color: #000091">return</span> name;
    }

    <span class="code-keyword" style="color: #000091">public</span> void setName(<span class="code-object" style="color: #910091">String</span> name) {
        <span class="code-keyword" style="color: #000091">this</span>.name = name;
    }

    @ManyToOne
    @JoinTable(
            name=<span class="code-quote" style="color: #009100">"A2B"</span>,
            joinColumns = {@JoinColumn(name = <span class="code-quote" style="color: #009100">"B_ID"</span>, referencedColumnName = <span class="code-quote" style="color: #009100">"ID"</span>, nullable = <span class="code-keyword" style="color: #000091">false</span>)},
            inverseJoinColumns={@JoinColumn(name = <span class="code-quote" style="color: #009100">"A_ID"</span>, referencedColumnName = <span class="code-quote" style="color: #009100">"ID"</span>, nullable = <span class="code-keyword" style="color: #000091">false</span>)})
    <span class="code-keyword" style="color: #000091">public</span> A getA() {
        <span class="code-keyword" style="color: #000091">return</span> a;
    }

    <span class="code-keyword" style="color: #000091">public</span> void setA(A a) {
        <span class="code-keyword" style="color: #000091">this</span>.a = a;
    }

    @Override
    <span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">boolean</span> equals(<span class="code-object" style="color: #910091">Object</span> o) {
        <span class="code-keyword" style="color: #000091">if</span> (<span class="code-keyword" style="color: #000091">this</span> == o) <span class="code-keyword" style="color: #000091">return</span> <span class="code-keyword" style="color: #000091">true</span>;
        <span class="code-keyword" style="color: #000091">if</span> (o == <span class="code-keyword" style="color: #000091">null</span> || getClass() != o.getClass()) <span class="code-keyword" style="color: #000091">return</span> <span class="code-keyword" style="color: #000091">false</span>;

        B b = (B) o;

        <span class="code-keyword" style="color: #000091">if</span> (id != <span class="code-keyword" style="color: #000091">null</span> ? !id.equals(b.id) : b.id != <span class="code-keyword" style="color: #000091">null</span>) <span class="code-keyword" style="color: #000091">return</span> <span class="code-keyword" style="color: #000091">false</span>;
        <span class="code-keyword" style="color: #000091">return</span> name != <span class="code-keyword" style="color: #000091">null</span> ? name.equals(b.name) : b.name == <span class="code-keyword" style="color: #000091">null</span>;
    }

    @Override
    <span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">int</span> hashCode() {
        <span class="code-object" style="color: #910091">int</span> result = id != <span class="code-keyword" style="color: #000091">null</span> ? id.hashCode() : 0;
        result = 31 * result + (name != <span class="code-keyword" style="color: #000091">null</span> ? name.hashCode() : 0);
        <span class="code-keyword" style="color: #000091">return</span> result;
    }
}
</pre> 
                                                            </div>
                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Generate Entities and persist:</p> 
                                                        <div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
                                                            <div class="codeContent panelContent" style="padding: 9px 12px"> 
                                                                <pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
List&lt;A&gt; as = <span class="code-keyword" style="color: #000091">new</span> ArrayList&lt;&gt;();

<span class="code-keyword" style="color: #000091">for</span> (<span class="code-object" style="color: #910091">int</span> i = 0; i &lt; 100 ; i++) {

    A a = <span class="code-keyword" style="color: #000091">new</span> A();
    a.setId(<span class="code-quote" style="color: #009100">"ID-A-"</span> + i);
    a.setName(<span class="code-quote" style="color: #009100">"Name ID-"</span> + i);

    a.setBs(<span class="code-keyword" style="color: #000091">new</span> HashSet&lt;&gt;());

    <span class="code-keyword" style="color: #000091">for</span> (<span class="code-object" style="color: #910091">int</span> j = 0; j &lt; 50 ; j++) {
        B b =<span class="code-keyword" style="color: #000091">new</span> B();
        b.setId(<span class="code-quote" style="color: #009100">"ID-B-"</span> + j + <span class="code-quote" style="color: #009100">"ID-A-"</span> + i);
        b.setName(<span class="code-quote" style="color: #009100">"Name ID-"</span> + j + <span class="code-quote" style="color: #009100">" Parent "</span> + i);
        b.setA(a);
        a.getBs().add(b);
    }

    as.add(a);

}

<span class="code-keyword" style="color: #000091">for</span>(A a : as){
    em.persist(a);
}
</pre> 
                                                            </div>
                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">persistence.xml:</p> 
                                                        <div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
                                                            <div class="codeContent panelContent" style="padding: 9px 12px"> 
                                                                <pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
&lt;?xml version=<span class="code-quote" style="color: #009100">"1.0"</span> encoding=<span class="code-quote" style="color: #009100">"UTF-8"</span>?&gt;
&lt;persistence version=<span class="code-quote" style="color: #009100">"2.1"</span> xmlns=<span class="code-quote" style="color: #009100">"http:<span class="code-comment" style="color: #808080">//xmlns.jcp.org/xml/ns/persistence"</span>
</span>             xmlns:xsi=<span class="code-quote" style="color: #009100">"http:<span class="code-comment" style="color: #808080">//www.w3.org/2001/XMLSchema-instance"</span>
</span>             xsi:schemaLocation="http:<span class="code-comment" style="color: #808080">//xmlns.jcp.org/xml/ns/persistence
</span>                                 http:<span class="code-comment" style="color: #808080">//xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"&gt;
</span>
    &lt;persistence-unit name=<span class="code-quote" style="color: #009100">"TimetablePU"</span> transaction-type=<span class="code-quote" style="color: #009100">"JTA"</span>&gt;

        &lt;jta-data-source&gt;java:/TimetableDS&lt;/jta-data-source&gt;
        &lt;<span class="code-keyword" style="color: #000091">class&amp;</span>gt;com.atron.atries.rx.asdm.dao.entity.netex.A&lt;/<span class="code-keyword" style="color: #000091">class&amp;</span>gt;
        &lt;<span class="code-keyword" style="color: #000091">class&amp;</span>gt;com.atron.atries.rx.asdm.dao.entity.netex.B&lt;/<span class="code-keyword" style="color: #000091">class&amp;</span>gt;
        &lt;exclude-unlisted-classes&gt;<span class="code-keyword" style="color: #000091">true</span>&lt;/exclude-unlisted-classes&gt;
        &lt;properties&gt;
            &lt;property name=<span class="code-quote" style="color: #009100">"hibernate.dialect"</span> value=<span class="code-quote" style="color: #009100">"org.hibernate.dialect.Oracle10gDialect"</span>/&gt;
            &lt;property name=<span class="code-quote" style="color: #009100">"hibernate.jdbc.batch_size"</span> value=<span class="code-quote" style="color: #009100">"10"</span>/&gt;
            &lt;property name=<span class="code-quote" style="color: #009100">"hibernate.order_inserts"</span> value=<span class="code-quote" style="color: #009100">"<span class="code-keyword" style="color: #000091; color: #009100">true</span>"</span>/&gt;
            &lt;property name=<span class="code-quote" style="color: #009100">"hibernate.order_updates"</span> value=<span class="code-quote" style="color: #009100">"<span class="code-keyword" style="color: #000091; color: #009100">true</span>"</span>/&gt;
            &lt;property name=<span class="code-quote" style="color: #009100">"hibernate.jdbc.batch_versioned_data"</span> value=<span class="code-quote" style="color: #009100">"<span class="code-keyword" style="color: #000091; color: #009100">true</span>"</span>/&gt;               
        &lt;/properties&gt;

    &lt;/persistence-unit&gt;

&lt;/persistence&gt;
</pre> 
                                                            </div>
                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Here is the log-file for inserting the entries on the one-side in table A with using batch:</p> 
                                                        <div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
                                                            <div class="codeContent panelContent" style="padding: 9px 12px"> 
                                                                <pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
2017-04-27 09:03:33,451 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-0]
2017-04-27 09:03:33,469 TRACE [org.hibernate.service.internal.AbstractServiceRegistryImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Initializing service [role=org.hibernate.engine.jdbc.batch.spi.BatchBuilder]
2017-04-27 09:03:33,471 TRACE [org.hibernate.service.internal.AbstractServiceRegistryImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Initializing service [role=org.hibernate.jmx.spi.JmxService]
2017-04-27 09:03:33,472 TRACE [org.hibernate.engine.jdbc.batch.internal.BatchBuilderImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Building batch [size=10]
2017-04-27 09:03:33,478 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A (NAME, ID) values (?, ?)
2017-04-27 09:03:33,547 TRACE [org.hibernate.resource.jdbc.internal.ResourceRegistryStandardImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Registering statement [org.jboss.jca.adapters.jdbc.jdk7.WrappedPreparedStatementJDK7@4f1b4848]
2017-04-27 09:03:33,548 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-0]
2017-04-27 09:03:33,551 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-0]
2017-04-27 09:03:33,551 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-A-0]
2017-04-27 09:03:33,552 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-1]
2017-04-27 09:03:33,552 DEBUG [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Reusing batch statement
2017-04-27 09:03:33,552 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A (NAME, ID) values (?, ?)
2017-04-27 09:03:33,552 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-1]
2017-04-27 09:03:33,552 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-1]
2017-04-27 09:03:33,552 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-A-1]
2017-04-27 09:03:33,552 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-2]
2017-04-27 09:03:33,552 DEBUG [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Reusing batch statement
2017-04-27 09:03:33,552 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A (NAME, ID) values (?, ?)
2017-04-27 09:03:33,552 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-2]
2017-04-27 09:03:33,553 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-2]
2017-04-27 09:03:33,553 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-A-2]
2017-04-27 09:03:33,553 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-3]
2017-04-27 09:03:33,553 DEBUG [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Reusing batch statement
2017-04-27 09:03:33,553 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A (NAME, ID) values (?, ?)
2017-04-27 09:03:33,553 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-3]
2017-04-27 09:03:33,553 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-3]
2017-04-27 09:03:33,553 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-A-3]
2017-04-27 09:03:33,553 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-4]
2017-04-27 09:03:33,553 DEBUG [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Reusing batch statement
2017-04-27 09:03:33,553 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A (NAME, ID) values (?, ?)
2017-04-27 09:03:33,553 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-4]
2017-04-27 09:03:33,553 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-4]
2017-04-27 09:03:33,553 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-A-4]
2017-04-27 09:03:33,553 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-5]
2017-04-27 09:03:33,553 DEBUG [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Reusing batch statement
2017-04-27 09:03:33,553 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A (NAME, ID) values (?, ?)
2017-04-27 09:03:33,553 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-5]
2017-04-27 09:03:33,553 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-5]
2017-04-27 09:03:33,553 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-A-5]
2017-04-27 09:03:33,553 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-6]
2017-04-27 09:03:33,553 DEBUG [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Reusing batch statement
2017-04-27 09:03:33,553 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A (NAME, ID) values (?, ?)
2017-04-27 09:03:33,553 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-6]
2017-04-27 09:03:33,554 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-6]
2017-04-27 09:03:33,554 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-A-6]
2017-04-27 09:03:33,554 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-7]
2017-04-27 09:03:33,554 DEBUG [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Reusing batch statement
2017-04-27 09:03:33,554 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A (NAME, ID) values (?, ?)
2017-04-27 09:03:33,554 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-7]
2017-04-27 09:03:33,554 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-7]
2017-04-27 09:03:33,554 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-A-7]
2017-04-27 09:03:33,554 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-8]
2017-04-27 09:03:33,554 DEBUG [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Reusing batch statement
2017-04-27 09:03:33,554 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A (NAME, ID) values (?, ?)
2017-04-27 09:03:33,554 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-8]
2017-04-27 09:03:33,554 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-8]
2017-04-27 09:03:33,554 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-A-8]
2017-04-27 09:03:33,554 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-9]
2017-04-27 09:03:33,554 DEBUG [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Reusing batch statement
2017-04-27 09:03:33,554 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A (NAME, ID) values (?, ?)
2017-04-27 09:03:33,554 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.A#ID-A-9]
2017-04-27 09:03:33,554 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-9]
2017-04-27 09:03:33,554 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-A-9]
2017-04-27 09:03:33,555 DEBUG [org.hibernate.engine.jdbc.batch.internal.BatchingBatch] (<span class="code-keyword" style="color: #000091">default</span> task-1) Executing batch size: 10
2017-04-27 09:03:33,561 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 0
2017-04-27 09:03:33,561 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 1
2017-04-27 09:03:33,561 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 2
2017-04-27 09:03:33,561 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 3
2017-04-27 09:03:33,561 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 4
2017-04-27 09:03:33,561 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 5
2017-04-27 09:03:33,561 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 6
2017-04-27 09:03:33,561 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 7
2017-04-27 09:03:33,561 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 8
2017-04-27 09:03:33,561 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 9
</pre> 
                                                            </div>
                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">and here is the log-file-part for inserting the many-side entries in table B and in the mapping-table A2B without using batch:</p> 
                                                        <div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
                                                            <div class="codeContent panelContent" style="padding: 9px 12px"> 
                                                                <pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
2017-04-27 09:03:41,783 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.B#ID-B-29ID-A-28]
2017-04-27 09:03:41,783 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into B (NAME, ID) values (?, ?)
2017-04-27 09:03:41,783 TRACE [org.hibernate.resource.jdbc.internal.ResourceRegistryStandardImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Registering statement [org.jboss.jca.adapters.jdbc.jdk7.WrappedPreparedStatementJDK7@278944be]
2017-04-27 09:03:41,783 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.B#ID-B-29ID-A-28]
2017-04-27 09:03:41,783 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [Name ID-29 Parent 28]
2017-04-27 09:03:41,783 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-B-29ID-A-28]
2017-04-27 09:03:41,783 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Inserting entity: [com.atron.atries.rx.asdm.dao.entity.netex.B#ID-B-29ID-A-28]
2017-04-27 09:03:41,783 DEBUG [org.hibernate.engine.jdbc.batch.internal.BatchingBatch] (<span class="code-keyword" style="color: #000091">default</span> task-1) Executing batch size: 1
2017-04-27 09:03:41,783 DEBUG [org.hibernate.jdbc.Expectations] (<span class="code-keyword" style="color: #000091">default</span> task-1) Success of batch update unknown: 0
2017-04-27 09:03:41,783 TRACE [org.hibernate.resource.jdbc.internal.ResourceRegistryStandardImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Releasing statement [org.jboss.jca.adapters.jdbc.jdk7.WrappedPreparedStatementJDK7@278944be]
2017-04-27 09:03:41,783 TRACE [org.hibernate.resource.jdbc.internal.ResourceRegistryStandardImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Closing prepared statement [org.jboss.jca.adapters.jdbc.jdk7.WrappedPreparedStatementJDK7@278944be]
2017-04-27 09:03:41,783 TRACE [org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Starting after statement execution processing [AFTER_STATEMENT]
2017-04-27 09:03:41,783 DEBUG [org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Skipping aggressive release due to manual disabling
2017-04-27 09:03:41,783 DEBUG [org.hibernate.SQL] (<span class="code-keyword" style="color: #000091">default</span> task-1) insert into A2B (A_ID, B_ID) values (?, ?)
2017-04-27 09:03:41,783 TRACE [org.hibernate.resource.jdbc.internal.ResourceRegistryStandardImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Registering statement [org.jboss.jca.adapters.jdbc.jdk7.WrappedPreparedStatementJDK7@1ca56b4c]
2017-04-27 09:03:41,783 TRACE [org.hibernate.persister.entity.AbstractEntityPersister] (<span class="code-keyword" style="color: #000091">default</span> task-1) Dehydrating entity: [com.atron.atries.rx.asdm.dao.entity.netex.B#ID-B-29ID-A-28]
2017-04-27 09:03:41,783 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [1] as [VARCHAR] - [ID-A-28]
2017-04-27 09:03:41,783 TRACE [org.hibernate.type.descriptor.sql.BasicBinder] (<span class="code-keyword" style="color: #000091">default</span> task-1) binding parameter [2] as [VARCHAR] - [ID-B-29ID-A-28]
2017-04-27 09:03:41,783 TRACE [org.hibernate.resource.jdbc.internal.ResourceRegistryStandardImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Releasing statement [org.jboss.jca.adapters.jdbc.jdk7.WrappedPreparedStatementJDK7@1ca56b4c]
2017-04-27 09:03:41,783 TRACE [org.hibernate.resource.jdbc.internal.ResourceRegistryStandardImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Closing prepared statement [org.jboss.jca.adapters.jdbc.jdk7.WrappedPreparedStatementJDK7@1ca56b4c]
2017-04-27 09:03:41,783 TRACE [org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl] (<span class="code-keyword" style="color: #000091">default</span> task-1) Starting after statement execution processing [AFTER_STATEMENT]
</pre> 
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        "target": "https://hibernate.atlassian.net/browse/HHH-11711?inbox=true&",
    "name": "View Issue"
      },
  "publisher": {
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