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                                        <table class="page-title-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
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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?atlOrigin=eyJpIjoiMjM3OTM5ZDdlOWQ2NDBkZGJhMDVhOTc2NWM0NWFiZDkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-14052?atlOrigin=eyJpIjoiMjM3OTM5ZDdlOWQ2NDBkZGJhMDVhOTc2NWM0NWFiZDkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-da240032-4c69-46e3-8d2f-e0db1999ed39" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-14052?atlOrigin=eyJpIjoiMjM3OTM5ZDdlOWQ2NDBkZGJhMDVhOTc2NWM0NWFiZDkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HHH-14052</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-da240032-4c69-46e3-8d2f-e0db1999ed39" 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> 
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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> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Components:</th> 
                                                    <td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate-core </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"> 31/May/2020 06:16 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">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-fbc87338-eea8-4d42-910b-41d5e8604114" 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="gbalcisoy" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_gbalcisoy" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5bc87b3163cbaa729c4c7388"> görkem balcısoy </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"> 
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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 below domain model. I added specialization entities both Product and ProductDetail entities with @ManyToAny annotation. Also, Product entity has many ProductDetail entities.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I want to save a new Product entity with one of its specializations and productDetails(with one of its specializations,too).</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I use merge() method for new Product saving process, but it produces an error:</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: com.test.model.FlyingProductDetailSpecialization.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I searched for this issue, but I cannot find anything that is different from CascadeType.ALL usage answers. I used this cascade type.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">If I use persist() method for new Product saving process, it results successful. But, if I want to update this Product entity (with merge() method) with adding a productDetail with its specializations, the same TransientObjectException also occurs.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Do you have any idea about this problem? Thanks.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">(BaseObject class has createDate, updateDate, id columns. I don't add this class for shortening the question.)</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">You can find this question at link:<br> <a href="https://stackoverflow.com/questions/62062582/manytoany-annotation-transient-instance-error-for-cascade-all" class="external-link" rel="nofollow noreferrer" style="color: #3b73af; text-decoration: none">https://stackoverflow.com/questions/62062582/manytoany-annotation-transient-instance-error-for-cascade-all</a></p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">// Product Model<br> @Table(name="product")<br> @Entity<br> public class Product extends BaseObject</p> { @OneToMany(mappedBy="product", cascade=CascadeType.ALL, orphanRemoval=true) @LazyCollection(LazyCollectionOption.FALSE) @JsonIgnoreProperties(value="product", allowSetters=true) private List&lt;ProductDetail&gt; productDetails = new ArrayList&lt;&gt;(); @ManyToAny(metaDef="ProductSpecMetaDef", metaColumn=@Column(name="product_specialization_type")) @LazyCollection(LazyCollectionOption.FALSE) @Cascade(org.hibernate.annotations.CascadeType.ALL) @JoinTable( name="product_specialization_relationship", joinColumns=@JoinColumn(name="product"), inverseJoinColumns=@JoinColumn(name="product_specialization") ) private List&lt;ISpecialization&lt;Product&gt;&gt; productSpecializations = new ArrayList&lt;&gt;(); // and some string and numerical fields } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">@Table(name="unused_product_specialization")<br> @Entity<br> public class UnusedProductSpecialization extends BaseObject implements ISpecialization&lt;Product&gt;</p> { // some string and numerical fields }<br> <br> @Table(name="used_product_specialization")<br> @Entity<br> public class UsedProductSpecialization extends BaseObject implements ISpecialization&lt;Product&gt;{ // some string and numerical fields } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">// package-info definition for ManyToAny relationship<br> @AnyMetaDef(name="ProductSpecMetaDef", metaType="string", idType="string",<br> metaValues= </p> {@MetaValue(value = "Unused", targetEntity=UnusedProductSpecialization.class), @MetaValue(value = "Used", targetEntity=UsedProductSpecialization.class) } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">)<br> // End of Product Model</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">// Product Detail Model<br> @Table(name="product_detail")<br> @Entity<br> public class ProductDetail extends BaseObject</p> { @ManyToOne @JoinColumn(name="product",referencedColumnName="id",nullable=false, foreignKey=@ForeignKey(name="product_detail_product_fkey")) @JsonIgnoreProperties(value="productDetails", allowSetters=true) private Product product; @ManyToAny(metaDef="ProductDetailSpecMetaDef", metaColumn=@Column(name="product_detail_specialization_type")) @LazyCollection(LazyCollectionOption.FALSE) @Cascade(org.hibernate.annotations.CascadeType.ALL) @JoinTable( name="product_detail_specialization_relationship", joinColumns=@JoinColumn(name="product_detail"), inverseJoinColumns=@JoinColumn(name="product_detail_specialization") ) private List&lt;ISpecialization&lt;ProductDetail&gt;&gt; productDetailSpecializations = new ArrayList&lt;&gt;(); // and some string and numerical fields } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">@Table(name="flying_product_detail_specialization")<br> @Entity<br> public class FlyingProductDetailSpecialization extends BaseObject implements ISpecialization&lt;ProductDetail&gt;</p> { // some string and numerical fields }<br> <br> @Table(name="walking_product_detail_specialization")<br> @Entity<br> public class WalkingProductDetailSpecialization extends BaseObject implements ISpecialization&lt;ProductDetail&gt;{ // some string and numerical fields } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">// package-info definition for ManyToAny relationship<br> @AnyMetaDef(name="ProductDetailSpecMetaDef", metaType="string", idType="string",<br> metaValues= </p> {@MetaValue(value = "Flying", targetEntity=FlyingProductDetailSpecialization.class), @MetaValue(value = "Walking", targetEntity=WalkingProductDetailSpecialization.class) } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">)<br> // End of Product Detail Model</p> </td> 
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{
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  "@type": "EmailMessage",
  "description": "View Issue",
  "potentialAction": {
    "@type": "ViewAction",
        "target": "https://hibernate.atlassian.net/browse/HHH-14052?inbox=true&",
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                                </tr> <!-- there needs to be content in the cell for it to render in some clients --> 
                                <tr> 
                                    <td class="email-content-rounded-bottom mobile-expand" style="padding: 0; border-collapse: collapse; color: #ffffff; padding: 0 15px 0 16px; height: 5px; line-height: 5px; background-color: #ffffff; border-top: 0; border-left: 1px solid #cccccc; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; mso-line-height-rule: exactly" height="5" bgcolor="#ffffff">&nbsp;</td> 
                                </tr> 
                            </tbody>
                        </table> </td> 
                </tr> 
                <tr> 
                    <td id="footer-pattern" style="padding: 0; border-collapse: collapse; padding: 12px 20px"> 
                        <table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
                            <tbody>
                                <tr> 
                                    <td id="footer-pattern-mobile-separated-links" class="mobile-resize-text" width="100%" colspan="2" style="padding: 0; border-collapse: collapse; color: #999999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> Get Jira notifications on your phone! Download the Jira Cloud app for <a href="https://play.google.com/store/apps/details?id=com.atlassian.android.jira.core&referrer=utm_source%3DNotificationLink%26utm_medium%3DEmail" style="color: #3b73af; text-decoration: none">Android</a> or <a href="https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=EmailNotificationLink&mt=8" style="color: #3b73af; text-decoration: none">iOS</a> 
                                        <hr> </td> 
                                </tr> 
                                <tr> 
                                    <td id="footer-pattern-text" class="mobile-resize-text" width="100%" style="padding: 0; border-collapse: collapse; color: #999999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> This message was sent by Atlassian Jira <span id="footer-build-information">(v1001.0.0-SNAPSHOT#100127-<span title="2c97aeca14e6e768d3f5fe4b145e5ac83f0d74de" data-commit-id="2c97aeca14e6e768d3f5fe4b145e5ac83f0d74de}">sha1:2c97aec</span>)</span> </td> 
                                    <td id="footer-pattern-logo-desktop-container" valign="top" style="padding: 0; border-collapse: collapse; padding-left: 20px; vertical-align: top"> 
                                        <table style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
                                            <tbody>
                                                <tr> 
                                                    <td id="footer-pattern-logo-desktop-padding" style="padding: 0; border-collapse: collapse; padding-top: 3px; opacity: 0.150"> <img id="footer-pattern-logo-desktop" src="cid:jira-generated-image-static-footer-desktop-logo-cd7eea7c-d2ba-4b85-ac45-06df65fe5b96" alt="Atlassian logo" title="Atlassian logo" width="192" height="24" class="image_fix"> </td> 
                                                </tr> 
                                            </tbody>
                                        </table> </td> 
                                </tr> 
                            </tbody>
                        </table> </td> 
                </tr> 
            </tbody>
        </table>  
    </body>
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