Cannot create an instance of generated class
org.apache.derby.exe.acf81e0010x0123x6e25x38c2x00000616b5f80.
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Key: DERBY-4364
URL: https://issues.apache.org/jira/browse/DERBY-4364
Project: Derby
Issue Type: Bug
Components: JDBC
Affects Versions: 10.5.3.0
Environment: The program run well in my local machine's tomcat server.
but when I deployed into http://www.jhost.cn/, it failed. the env in jhost are:
Apache/2.2.11 mod_jk/1.2.25
Tomcat Version 5.5.27
JVM Version 1.5.0_11-b03
PHP Version 5.2.8
MySQL Ver 14.12 Distrib 5.0.67
phpMyAdmin Version information: 3.1.1
Reporter: LiuZhenKe
Priority: Critical
This issue is quite like issue DERBY-4142, but I think the root cause is
different.
The java code which raise this error is:
rs=stmt.executeQuery("SELECT ID FROM T_SYS_RS_PACKAGE_MASTER WHERE EXISTS
(SELECT * FROM T_VC_MASTER MA WHERE
MA.SUBCLASS_TABLE_NAME='T_SYS_RS_PACKAGE_MASTER' AND
MA.SUBCLASS_TABLE_ID=T_SYS_RS_PACKAGE_MASTER.ID AND
MA.NAME='"+PackageName+"')");
The error message tells that create an instance of generated class
acf81e0010x0123x6e25x38c2x00000616b5f80 fail caused by
java.lang.NoClassDefFoundError:
org/apache/derby/impl/sql/execute/GenericQualifier. But I see that this
GenericQualifier.class is put in derby.jar, which is put in WEB-INF\lib
folder. so I guess this issue may be caused by the classloader switch
somewhere, may be in acf81e0010x0123x6e25x38c2x00000616b5f80. the new
classloader may not able to find a class in WEB-INF\lib\derby.jar. Anyway, just
a guess
error log is captured:
java.sql.SQLException: Cannot create an instance of generated class
org.apache.derby.exe.acf81e0010x0123x6e25x38c2x00000616b5f80.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:87)
at org.apache.derby.impl.jdbc.Util.seeNextException(Util.java:223)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(TransactionResourceImpl.java:398)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(TransactionResourceImpl.java:346)
at
org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConnection.java:2201)
at
org.apache.derby.impl.jdbc.ConnectionChild.handleException(ConnectionChild.java:81)
at
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:614)
at
org.apache.derby.impl.jdbc.EmbedStatement.executeQuery(EmbedStatement.java:152)
at
Concept.Resource.Server.derby.CCheckInResources.checkInResources(CCheckInResources.java:342)
at
Concept.Resource.Server.derby.CCheckInResources.SubmitTransaction(CCheckInResources.java:223)
at
Concept.Transaction.Server.CTransactionServer.doPost(CTransactionServer.java:722)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at sun.reflect.GeneratedMethodAccessor231.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:269)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
at
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:301)
at
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:283)
at
org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:56)
at
org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189)
at java.security.AccessController.doPrivileged(Native Method)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:185)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)
at
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698)
at
org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.sql.SQLException: Java exception:
'org/apache/derby/impl/sql/execute/GenericQualifier:
java.lang.NoClassDefFoundError'.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:87)
at org.apache.derby.impl.jdbc.Util.javaException(Util.java:244)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(TransactionResourceImpl.java:403)
... 37 more
Caused by: java.lang.NoClassDefFoundError:
org/apache/derby/impl/sql/execute/GenericQualifier
at
org.apache.derby.impl.sql.execute.GenericExecutionFactory.getQualifier(GenericExecutionFactory.java:250)
at
org.apache.derby.exe.acf81e0010x0123x6e25x38c2x00000616b5f80.postConstructor(Unknown
Source)
at
org.apache.derby.impl.services.reflect.LoadedGeneratedClass.newInstance(LoadedGeneratedClass.java:71)
at
org.apache.derby.impl.services.reflect.ReflectGeneratedClass.newInstance(ReflectGeneratedClass.java:60)
at
org.apache.derby.impl.sql.GenericActivationHolder.<init>(GenericActivationHolder.java:129)
at
org.apache.derby.impl.sql.GenericPreparedStatement.getActivation(GenericPreparedStatement.java:234)
at
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:609)
... 32 more
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