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https://issues.apache.org/cayenne/browse/CAY-1170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13245#action_13245
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Andrus Adamchik commented on CAY-1170:
--------------------------------------
Here is more details on the issue which I can reproduce:
--- Nested Exception ---
java.lang.NullPointerException
at org.apache.cayenne.dba.TypesHandler.<init>(TypesHandler.java:74)
at org.apache.cayenne.dba.TypesHandler.getHandler(TypesHandler.java:58)
at org.apache.cayenne.dba.JdbcAdapter.<init>(JdbcAdapter.java:100)
at
org.apache.cayenne.dba.mysql.MySQLAdapter.<init>(MySQLAdapter.java:75)
at
org.apache.cayenne.dba.mysql.MySQLSniffer.createAdapter(MySQLSniffer.java:71)
at
org.apache.cayenne.dba.DbAdapterFactoryChain.createAdapter(DbAdapterFactoryChain.java:58)
at
org.apache.cayenne.access.DbGeneratorPostprocessor.execute(DbGeneratorPostprocessor.java:48)
at
org.apache.cayenne.access.DbGenerator.runGenerator(DbGenerator.java:330)
at
org.apache.cayenne.tools.DbGeneratorTask.execute(DbGeneratorTask.java:91)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
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.Main.startAnt(Main.java:199)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
Note that Dima's patch addresses a different problem of the inability to load
the adapter (which I am surprised nobody noticed before. Is everyone on Maven
these days?)
/Users/andrus/work/test/build.xml:21: Can't load DbAdapter:
org.apache.cayenne.dba.mysql.MySQLAdapter
at
org.apache.cayenne.tools.DbGeneratorTask.setAdapter(DbGeneratorTask.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.apache.tools.ant.IntrospectionHelper$3.set(IntrospectionHelper.java:949)
at
org.apache.tools.ant.IntrospectionHelper.setAttribute(IntrospectionHelper.java:400)
at
org.apache.tools.ant.RuntimeConfigurable.maybeConfigure(RuntimeConfigurable.java:392)
at
org.apache.tools.ant.RuntimeConfigurable.maybeConfigure(RuntimeConfigurable.java:349)
at org.apache.tools.ant.Task.maybeConfigure(Task.java:202)
at
org.apache.tools.ant.UnknownElement.configure(UnknownElement.java:193)
at
org.apache.tools.ant.UnknownElement.maybeConfigure(UnknownElement.java:160)
at org.apache.tools.ant.Task.perform(Task.java:347)
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.Main.startAnt(Main.java:199)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
> cdbgen task fails due to NPE when instantiating TypesHandler
> ------------------------------------------------------------
>
> Key: CAY-1170
> URL: https://issues.apache.org/cayenne/browse/CAY-1170
> Project: Cayenne
> Issue Type: Bug
> Components: Cayenne Core Library
> Affects Versions: 3.0M5
> Environment: RHEL 5 / Java 1.6.11
> Reporter: Joshua Introne
> Attachments: antGen.txt, antGen_1.txt, antGen_2.txt, build.xml
>
>
> Attempting to run cdbgen in 3.0M5 fails to load adapter if adapter is
> specified, or throws an NPE if none is specified. After some hair pulling,
> it looks like the newly rewritten method JdbcAdapter.findResource isn't
> locating types.xml. Haven't dug deeper, but problem doesn't occur with
> 3.0M4.
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