Mar 14, 2012 6:31:48 PM com.vaadin.Application terminalError
Fatal: Terminal error:
org.apache.ibatis.exceptions.PersistenceException:
### Error querying database.  Cause: org.postgresql.util.PSQLException: Bad value for type long : \x48656c6c6f20
### The error may involve org.activiti.engine.impl.persistence.entity.CommentEntity.selectEventsByTaskId-Inline
### The error occurred while setting parameters
### Cause: org.postgresql.util.PSQLException: Bad value for type long : \x48656c6c6f20576f726c64.
        at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:8)
        at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:81)
        at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:73)
        at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:182)
        at org.activiti.engine.impl.persistence.entity.CommentManager.findEventsByTaskId(CommentManager.java:48)
        at org.activiti.engine.impl.cmd.GetTaskEventsCmd.execute(GetTaskEventsCmd.java:37)
        at org.activiti.engine.impl.cmd.GetTaskEventsCmd.execute(GetTaskEventsCmd.java:27)
        at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
        at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:42)
        at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)
        at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
        at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)
        at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
        at org.activiti.engine.impl.TaskServiceImpl.getTaskEvents(TaskServiceImpl.java:230)
        at org.activiti.explorer.ui.task.TaskEventsPanel.addTaskEvents(TaskEventsPanel.java:125)
        at org.activiti.explorer.ui.task.TaskEventsPanel.refreshTaskEvents(TaskEventsPanel.java:93)
        at org.activiti.explorer.ui.task.TaskEventsPanel.addNewComment(TaskEventsPanel.java:214)
        at org.activiti.explorer.ui.task.TaskEventsPanel$2.handleAction(TaskEventsPanel.java:195)
        at com.vaadin.event.ActionManager.handleAction(ActionManager.java:228)
        at com.vaadin.event.ActionManager.handleActions(ActionManager.java:198)
        at com.vaadin.ui.Panel.changeVariables(Panel.java:356)
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariableBurst(AbstractCommunicationManager.jav
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariables(AbstractCommunicationManager.java:12
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.doHandleUidlRequest(AbstractCommunicationManager.jav
        at com.vaadin.terminal.gwt.server.CommunicationManager.handleUidlRequest(CommunicationManager.java:296)
        at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:501)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
        at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1805)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:722)
Caused by: org.postgresql.util.PSQLException: Bad value for type long : \x48656c6c6f20576f726c64.
        at org.postgresql.jdbc2.AbstractJdbc2ResultSet.toLong(AbstractJdbc2ResultSet.java:2776)
        at org.postgresql.jdbc2.AbstractJdbc2ResultSet.getLong(AbstractJdbc2ResultSet.java:1999)
        at org.postgresql.jdbc4.Jdbc4ResultSet.getBlob(Jdbc4ResultSet.java:52)
        at org.postgresql.jdbc2.AbstractJdbc2ResultSet.getBlob(AbstractJdbc2ResultSet.java:336)
        at org.apache.commons.dbcp.DelegatingResultSet.getBlob(DelegatingResultSet.java:565)
        at org.apache.commons.dbcp.DelegatingResultSet.getBlob(DelegatingResultSet.java:565)
        at org.apache.ibatis.type.BlobTypeHandler.getNullableResult(BlobTypeHandler.java:16)
        at org.apache.ibatis.type.BlobTypeHandler.getNullableResult(BlobTypeHandler.java:6)
        at org.apache.ibatis.type.BaseTypeHandler.getResult(BaseTypeHandler.java:29)
        at org.apache.ibatis.executor.resultset.FastResultSetHandler.getPropertyMappingValue(FastResultSetHandler.java:267)
        at org.apache.ibatis.executor.resultset.FastResultSetHandler.applyPropertyMappings(FastResultSetHandler.java:250)
        at org.apache.ibatis.executor.resultset.FastResultSetHandler.getRowValue(FastResultSetHandler.java:224)
        at org.apache.ibatis.executor.resultset.FastResultSetHandler.handleRowValues(FastResultSetHandler.java:173)
        at org.apache.ibatis.executor.resultset.FastResultSetHandler.handleResultSet(FastResultSetHandler.java:146)
        at org.apache.ibatis.executor.resultset.FastResultSetHandler.handleResultSets(FastResultSetHandler.java:112)
        at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:40)
        at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:55)
        at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:41)
        at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:243)
        at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:117)
        at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:72)
        at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:79)
        ... 41 more