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Re: jbpm, process definitions, jboss - looking for knowledge
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created by <a href="http://community.jboss.org/people/carek">Piotr Tempes</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/597342#597342">View the full discussion</a>
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<div class="jive-rendered-content"><p>one hundred thanks for tutorial. Now I am struggling with access to my datasource... My goal is to reach it from standalone application. Here's what I got when I try to get through this line of code:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java">EntityManagerFactory emf = Persistence.createEntityManagerFactory(<font color="red">"org.drools.persistence.jpa"</font>);
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code">Exception in thread "main" java.lang.RuntimeException: Could not initialize stateful knowledge session: [PersistenceUnit: org.drools.persistence.jpa] Unable to build EntityManagerFactory
    at org.jbpm.integration.console.CommandDelegate.newStatefulKnowledgeSession(CommandDelegate.java:179)
    at org.jbpm.integration.console.CommandDelegate.getSession(CommandDelegate.java:187)
    at org.jbpm.integration.console.CommandDelegate.<init>(CommandDelegate.java:70)
    at org.jbpm.integration.console.CommandDelegate.main(CommandDelegate.java:293)
Caused by: javax.persistence.PersistenceException: [PersistenceUnit: org.drools.persistence.jpa] Unable to build EntityManagerFactory
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:677)
    at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:126)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:52)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:34)
    at org.jbpm.integration.console.CommandDelegate.newStatefulKnowledgeSession(CommandDelegate.java:125)
    ... 3 more
Caused by: org.hibernate.HibernateException: Could not find datasource
    at org.hibernate.connection.DatasourceConnectionProvider.configure(DatasourceConnectionProvider.java:79)
    at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:137)
    at org.hibernate.ejb.InjectionSettingsFactory.createConnectionProvider(InjectionSettingsFactory.java:29)
    at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:89)
    at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2101)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1325)
    at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:669)
    ... 7 more
Caused by: javax.naming.CommunicationException: Receive timed out [Root exception is java.net.SocketTimeoutException: Receive timed out]
    at org.jnp.interfaces.NamingContext.discoverServer(NamingContext.java:1678)
    at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1795)
    at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:693)
    at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:686)
    at javax.naming.InitialContext.lookup(InitialContext.java:409)
    at org.hibernate.connection.DatasourceConnectionProvider.configure(DatasourceConnectionProvider.java:75)
    ... 14 more
Caused by: java.net.SocketTimeoutException: Receive timed out
    at java.net.PlainDatagramSocketImpl.receive0(Native Method)
    at java.net.AbstractPlainDatagramSocketImpl.receive(AbstractPlainDatagramSocketImpl.java:135)
    at java.net.DatagramSocket.receive(DatagramSocket.java:729)
    at org.jnp.interfaces.NamingContext.discoverServer(NamingContext.java:1647)
    ... 19 more
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My configuration:</p><p>persistence.xml in eclipse:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-xml"><span class="jive-xml-tag"><?xml version="1.0" encoding="UTF-8" standalone="yes"?></span>
<span class="jive-xml-tag"><span><persistence version="1.0"
             xsi:schemaLocation="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span>
                                 </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" target="_blank">http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd</a><span>
                                 </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/orm" target="_blank">http://java.sun.com/xml/ns/persistence/orm</a><span>
                                 </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/orm_1_0.xsd" target="_blank">http://java.sun.com/xml/ns/persistence/orm_1_0.xsd</a><span>"
             xmlns:orm="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/orm" target="_blank">http://java.sun.com/xml/ns/persistence/orm</a><span>"
             xmlns:xsi="</span><a class="jive-link-external-small" href="http://www.w3.org/2001/XMLSchema-instance" target="_blank">http://www.w3.org/2001/XMLSchema-instance</a><span>"
             xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span>"></span></span>
  <span class="jive-xml-tag"><persistence-unit name="org.drools.persistence.jpa" transaction-type="JTA"></span>
    <span class="jive-xml-tag"><provider></span>org.hibernate.ejb.HibernatePersistence<span class="jive-xml-tag"></provider></span>
    <span class="jive-xml-tag"><jta-data-source></span>DefaultDS<span class="jive-xml-tag"></jta-data-source></span>
    <span class="jive-xml-comment"><!-- <span class="jive-xml-tag"><jta-data-source></span>jdbc:h2:tcp://localhost/~/test<span class="jive-xml-tag"></jta-data-source></span> --></span>
    <span class="jive-xml-tag"><class></span>org.jbpm.persistence.processinstance.ProcessInstanceInfo<span class="jive-xml-tag"></class></span>
    <span class="jive-xml-tag"><class></span>org.drools.persistence.info.SessionInfo<span class="jive-xml-tag"></class></span>
    <span class="jive-xml-tag"><class></span>org.drools.persistence.info.WorkItemInfo<span class="jive-xml-tag"></class></span>
    <span class="jive-xml-tag"><properties></span>
      <span class="jive-xml-tag"><property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/></span>           
      <span class="jive-xml-tag"><property name="hibernate.max_fetch_depth" value="3"/></span>
      <span class="jive-xml-tag"><property name="hibernate.hbm2ddl.auto" value="update" /></span>
      <span class="jive-xml-tag"><property name="hibernate.show_sql" value="false" /></span>   
      <span class="jive-xml-tag"><property name="hibernate.transaction.manager_lookup_class" value="org.hibernate.transaction.JBossTransactionManagerLookup" /></span>
    <span class="jive-xml-tag"></properties></span>       
  <span class="jive-xml-tag"></persistence-unit></span>
<span class="jive-xml-tag"></persistence></span>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>and hibernate.cfg.xml:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-xml"><span class="jive-xml-tag"><?xml version='1.0' encoding='utf-8'?></span>
<!DOCTYPE hibernate-configuration PUBLIC
        <span class="jive-xml-quote">-//Hibernate/Hibernate Configuration DTD 3.0//EN</span>
        <span class="jive-xml-quote"><a class="jive-link-external-small" href="http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd" target="_blank">http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd</a></span>>
<span class="jive-xml-tag"><hibernate-configuration></span>
    <span class="jive-xml-tag"><session-factory></span>
        <span class="jive-xml-tag"><property name="connection.driver_class"></span>com.mysql.jdbc.Driver<span class="jive-xml-tag"></property></span>
        <span class="jive-xml-tag"><property name="connection.url"></span>jdbc:mysql://localhost:3306/jbossdb<span class="jive-xml-tag"></property></span>
        <span class="jive-xml-comment"><!--property name="connection.url">jdbc:h2:file:/NotBackedUp/data/mydb<span class="jive-xml-tag"></property--></span>
        <span class="jive-xml-tag"><property name="connection.username"></span>root<span class="jive-xml-tag"></property></span>
        <span class="jive-xml-tag"><property name="connection.password"></span><span class="jive-xml-tag"></property></span>
        <span class="jive-xml-tag"><property name="connection.pool_size"></span>1<span class="jive-xml-tag"></property></span>
        <span class="jive-xml-tag"><property name="dialect"></span>org.hibernate.dialect.MySQLDialect<span class="jive-xml-tag"></property></span>
        <span class="jive-xml-tag"><property name="current_session_context_class"></span>thread<span class="jive-xml-tag"></property></span>
        <span class="jive-xml-tag"><property name="cache.provider_class"></span>org.hibernate.cache.NoCacheProvider<span class="jive-xml-tag"></property></span>
        <span class="jive-xml-tag"><property name="show_sql"></span>true<span class="jive-xml-tag"></property></span>
        <span class="jive-xml-tag"><property name="hbm2ddl.auto"></span>update<span class="jive-xml-tag"></property></span>
        <!-- <span class="jive-xml-tag"><mapping resource="AuditLog.hbm.xml"/></span> --></span>
    <span class="jive-xml-tag"></session-factory></span>
<span class="jive-xml-tag"></hibernate-configuration></span>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>and mysql-ds.xml</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-xml"><span class="jive-xml-tag"><?xml version="1.0" encoding="UTF-8"?></span>
<span class="jive-xml-comment"><span><!-- See </span><a class="jive-link-external-small" href="http://www.jboss.org/community/wiki/Multiple1PC" target="_blank">http://www.jboss.org/community/wiki/Multiple1PC</a><span> for information about local-tx-datasource -->
<!-- $Id: mysql-ds.xml 88948 2009-05-15 14:09:08Z jesper.pedersen $ -->
<!--  Datasource config for MySQL using 3.0.9 available from:
</span><a class="jive-link-external-small" href="http://www.mysql.com/downloads/api-jdbc-stable.html" target="_blank">http://www.mysql.com/downloads/api-jdbc-stable.html</a><span>
-->
</span><span class="jive-xml-tag"><datasources></span>
  <span class="jive-xml-tag"><local-tx-datasource></span>
    <span class="jive-xml-tag"><jndi-name></span>DefaultDS<span class="jive-xml-tag"></jndi-name></span>
    <span class="jive-xml-tag"><use-java-context></span>false<span class="jive-xml-tag"></use-java-context></span>
    <span class="jive-xml-tag"><connection-url></span>jdbc:mysql://localhost:3306/jbossdb<span class="jive-xml-tag"></connection-url></span>
    <span class="jive-xml-tag"><driver-class></span>com.mysql.jdbc.Driver<span class="jive-xml-tag"></driver-class></span>
    <span class="jive-xml-tag"><user-name></span>root<span class="jive-xml-tag"></user-name></span>
    <span class="jive-xml-tag"><password></span><span class="jive-xml-tag"></password></span>
    <span class="jive-xml-tag"><exception-sorter-class-name></span>org.jboss.resource.adapter.jdbc.vendor.MySQLExceptionSorter<span class="jive-xml-tag"></exception-sorter-class-name></span>
    <!-- should only be used on drivers after 3.22.1 with "ping" support
    <span class="jive-xml-tag"><valid-connection-checker-class-name></span>org.jboss.resource.adapter.jdbc.vendor.MySQLValidConnectionChecker<span class="jive-xml-tag"></valid-connection-checker-class-name></span>
    -->
    <!-- sql to call when connection is created
    <span class="jive-xml-tag"><new-connection-sql></span>some arbitrary sql<span class="jive-xml-tag"></new-connection-sql></span>
      -->
    <!-- sql to call on an existing pooled connection when it is obtained from pool - MySQLValidConnectionChecker is preferred for newer drivers
    <span class="jive-xml-tag"><check-valid-connection-sql></span>some arbitrary sql<span class="jive-xml-tag"></check-valid-connection-sql></span>
      -->
    <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml (optional) --></span>
    <span class="jive-xml-tag"><metadata></span>
       <span class="jive-xml-tag"><type-mapping></span>mySQL<span class="jive-xml-tag"></type-mapping></span>
    <span class="jive-xml-tag"></metadata></span>
  <span class="jive-xml-tag"></local-tx-datasource></span>
<span class="jive-xml-tag"></datasources></span>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>jboss starts without errors and exception. In addition I got message:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code">06:07:44,421 INFO  [WrapperDataSourceService] Bound ConnectionManager 'jboss.jca:service=DataSourceBinding,name=DefaultDS' to JNDI name 'DefaultDS'
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Any idea why the datasource could not be found?</p><p>Thanks in advance</p></div>
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