java.lang.NullPointerException: This exception has no message.

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via openbravo by rfpcst
, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at org.apache.ddlutils.model.ForeignKey.equalsIgnoreCase(Unknown Source)
at org.apache.ddlutils.alteration.ModelComparator.findCorrespondingForeignKey(Unknown Source)
at org.apache.ddlutils.alteration.ModelComparator.compareTables(Unknown Source)
at org.apache.ddlutils.alteration.ModelComparator.compare(Unknown Source)
at org.apache.ddlutils.platform.SqlBuilder.alterDatabase(Unknown Source)
at org.apache.ddlutils.platform.PlatformImplBase.alterTables(Unknown Source)
at org.apache.ddlutils.platform.PlatformImplBase.alterTables(Unknown Source)
at org.openbravo.ddlutils.task.AlterCustomizedDatabaseData.execute(Unknown Source)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38)
at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:416)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
at org.apache.tools.ant.Main.runBuild(Main.java:698)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)

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