DatabaseJournal.checkSchema generates "Cannot call commit when autocommit=true"
Exception
-----------------------------------------------------------------------------------------
Key: JCR-913
URL: https://issues.apache.org/jira/browse/JCR-913
Project: Jackrabbit
Issue Type: Bug
Affects Versions: 1.3
Environment: Windows Vista/Tomcat 5.5.17/Liferay/MySql 5.0.24, +
mysql connector jar coming with liferay 4.3
Reporter: M.Fatih Ozceylan
Priority: Minor
When I tried to activate clustering with adding the following XML to
repository.xml,
<Cluster id="node_1" syncDelay="5">
<Journal
class="org.apache.jackrabbit.core.journal.DatabaseJournal">
<param name="revision" value="${rep.home}/revision"/>
<param name="driver" value="com.mysql.jdbc.Driver"/>
<param name="url" value="jdbc:mysql://localhost/jcr"/>
<param name="user" value="userX"/>
<param name="password" value="passWordC"/>
<param name="schema" value="mysql"/>
<param name="schemaObjectPrefix" value="J_C_"/>
</Journal>
</Cluster>
Databse Journal threw the following exception:
....
Caused by: javax.jcr.RepositoryException: Unable to initialize connection.:
Unable to initialize connection.
at
org.apache.jackrabbit.core.RepositoryImpl.createClusterNode(RepositoryImpl.java:677)
at
org.apache.jackrabbit.core.RepositoryImpl.<init>(RepositoryImpl.java:276)
at
org.apache.jackrabbit.core.RepositoryImpl.create(RepositoryImpl.java:584)
at
org.apache.jackrabbit.core.TransientRepository$2.getRepository(TransientRepository.java:245)
at
org.apache.jackrabbit.core.TransientRepository.startRepository(TransientRepository.java:265)
at
org.apache.jackrabbit.core.TransientRepository.login(TransientRepository.java:333)
at
com.liferay.portal.jcr.jackrabbit.JCRFactoryImpl.createSession(JCRFactoryImpl.java:71)
at
com.liferay.portal.jcr.JCRFactoryUtil.createSession(JCRFactoryUtil.java:53)
at
com.liferay.portal.jcr.JCRFactoryUtil.createSession(JCRFactoryUtil.java:57)
at
com.liferay.documentlibrary.util.IndexerImpl.reIndex(IndexerImpl.java:258)
... 17 more
Caused by: org.apache.jackrabbit.core.cluster.ClusterException: Unable to
initialize connection.
at
org.apache.jackrabbit.core.cluster.ClusterNode.init(ClusterNode.java:218)
at
org.apache.jackrabbit.core.cluster.ClusterNode.init(ClusterNode.java:189)
at
org.apache.jackrabbit.core.RepositoryImpl.createClusterNode(RepositoryImpl.java:674)
... 26 more
Caused by: java.sql.SQLException: Can't call commit when autocommit=true
at com.mysql.jdbc.Connection.commit(Connection.java:2161)
at
org.apache.jackrabbit.core.journal.DatabaseJournal.checkSchema(DatabaseJournal.java:437)
at
org.apache.jackrabbit.core.journal.DatabaseJournal.init(DatabaseJournal.java:168)
at
org.apache.jackrabbit.core.cluster.ClusterNode.init(ClusterNode.java:213)
... 28 more
When I examined the source code of the release jackrabbit 1.3, I saw that the
init() method for DatabaseJournal class is:
...
Class.forName(driver);
con = DriverManager.getConnection(url, user, password);
con.setAutoCommit(true);
checkSchema();
prepareStatements();
...
and just before checkSchema() method's finally block:
...
// commit the changes
con.commit();
...
So, it seemed normal to see the mentioned exception. I just commented out the
commit expression and continued my development. Am I missing something?
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