Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Atlassian JIRA by William Zanchet [Atlassian], 1 year ago
via Atlassian JIRA by William Zanchet [Atlassian], 2 years ago
via Atlassian JIRA by Inno Song, 1 year ago
com.atlassian.config.ConfigurationException: Cannot update schema
via Atlassian JIRA by Inno Song, 2 years ago
com.atlassian.config.ConfigurationException: Cannot update schema
via Atlassian JIRA by Haukur Kristinsson, 2 years ago
com.atlassian.config.ConfigurationException: Cannot update schema
via Atlassian JIRA by Arvid Jedlicka, 1 year ago
com.atlassian.config.ConfigurationException: Cannot update schema
java.sql.SQLSyntaxErrorException: a UNIQUE constraint already exists on the set of columns in statement [alter table USER_RELATION add constraint u2u_relation_unique unique (SOURCEUSER, TARGETUSER, RELATIONNAME)]	at org.hsqldb.jdbc.JDBCUtil.sqlException(Unknown Source)	at org.hsqldb.jdbc.JDBCUtil.sqlException(Unknown Source)	at org.hsqldb.jdbc.JDBCStatement.fetchResult(Unknown Source)	at org.hsqldb.jdbc.JDBCStatement.executeUpdate(Unknown Source)	at com.mchange.v2.c3p0.impl.NewProxyStatement.executeUpdate(NewProxyStatement.java:410)	at net.sf.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:167)	at bucket.core.persistence.hibernate.schema.SchemaHelper.updateSchemaIfNeeded(SchemaHelper.java:206)	at bucket.core.persistence.hibernate.schema.SchemaHelper.updateSchemaIfNeeded(SchemaHelper.java:181)	at com.atlassian.confluence.upgrade.AbstractUpgradeManager.upgrade(AbstractUpgradeManager.java:160)	at com.atlassian.confluence.plugin.PluginFrameworkContextListener.launchUpgrades(PluginFrameworkContextListener.java:136)	at com.atlassian.confluence.plugin.PluginFrameworkContextListener.contextInitialized(PluginFrameworkContextListener.java:86)	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4738)	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5181)	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)