Now that ZIP export occurs in its own Thread, I'm seeing that where I introduced an Exception, we lead to deadlock. Create a test for this and ensure the case is removed.

Jan 20, 2010 5:55:22 PM org.jboss.shrinkwrap.impl.base.exporter.ZipExportDelegate$1 call
WARNING: Got exception on closing the ZIP out stream: ZIP file must have at least one entry
2010-01-20 17:56:48
Full thread dump Java HotSpot(TM) 64-Bit Server VM (14.0-b16 mixed mode):

"ReaderThread" prio=10 tid=0x00007f71680bf800 nid=0x3c4c runnable [0x00007f716cbb1000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:264)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:306)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:158)

• locked <0x00007f714be2a138> (a java.io.InputStreamReader)
  at java.io.InputStreamReader.read(InputStreamReader.java:167)
  at java.io.BufferedReader.fill(BufferedReader.java:136)
  at java.io.BufferedReader.readLine(BufferedReader.java:299)
• locked <0x00007f714be2a138> (a java.io.InputStreamReader)
  at java.io.BufferedReader.readLine(BufferedReader.java:362)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner$ReaderThread.run(RemoteTestRunner.java:140)

"Low Memory Detector" daemon prio=10 tid=0x00007f716809d000 nid=0x3c4a runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE

"CompilerThread1" daemon prio=10 tid=0x00007f716809a000 nid=0x3c49 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE

"CompilerThread0" daemon prio=10 tid=0x00007f7168098000 nid=0x3c47 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE

"JDWP Command Reader" daemon prio=10 tid=0x00007f7104001000 nid=0x3c45 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE

"JDWP Event Helper Thread" daemon prio=10 tid=0x00007f7168095800 nid=0x3c43 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE

"JDWP Transport Listener: dt_socket" daemon prio=10 tid=0x00007f7168092000 nid=0x3c41 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE

"Signal Dispatcher" daemon prio=10 tid=0x00007f7168085800 nid=0x3c3f waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE

"Finalizer" daemon prio=10 tid=0x00007f7168069800 nid=0x3c3e in Object.wait() [0x00007f716d936000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)

• waiting on <0x00007f714bd211e0> (a java.lang.ref.ReferenceQueue$Lock)
  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
• locked <0x00007f714bd211e0> (a java.lang.ref.ReferenceQueue$Lock)
  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
  at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)

"Reference Handler" daemon prio=10 tid=0x00007f7168067800 nid=0x3c3d in Object.wait() [0x00007f716da37000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)

• waiting on <0x00007f714bd21048> (a java.lang.ref.Reference$Lock)
  at java.lang.Object.wait(Object.java:485)
  at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
• locked <0x00007f714bd21048> (a java.lang.ref.Reference$Lock)

"main" prio=10 tid=0x00007f7168009000 nid=0x3c39 in Object.wait() [0x00007f716eb9c000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)

• waiting on <0x00007f714c3774e8> (a org.jboss.shrinkwrap.impl.base.exporter.IsReadReportingInputStream)
  at java.io.PipedInputStream.read(PipedInputStream.java:310)
• locked <0x00007f714c3774e8> (a org.jboss.shrinkwrap.impl.base.exporter.IsReadReportingInputStream)
  at org.jboss.shrinkwrap.impl.base.exporter.IsReadReportingInputStream.read(IsReadReportingInputStream.java:68)
• locked <0x00007f714c3774e8> (a org.jboss.shrinkwrap.impl.base.exporter.IsReadReportingInputStream)
  at java.io.PipedInputStream.read(PipedInputStream.java:361)
• locked <0x00007f714c3774e8> (a org.jboss.shrinkwrap.impl.base.exporter.IsReadReportingInputStream)
  at org.jboss.shrinkwrap.impl.base.exporter.IsReadReportingInputStream.read(IsReadReportingInputStream.java:80)
• locked <0x00007f714c3774e8> (a org.jboss.shrinkwrap.impl.base.exporter.IsReadReportingInputStream)
  at java.io.InputStream.read(InputStream.java:85)
  at org.jboss.shrinkwrap.impl.base.io.IOUtil.copy(IOUtil.java:141)
  at org.jboss.shrinkwrap.impl.base.io.IOUtil.copyWithClose(IOUtil.java:161)
  at org.jboss.shrinkwrap.impl.base.importer.ZipImporterImplTestCase.shouldBeAbleToImportAddAndExport(ZipImporterImplTestCase.java:118)
  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:597)
  at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
  at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
  at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
  at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
  at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
  at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:44)
  at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
  at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
  at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
  at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
  at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
  at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
  at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
  at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

"VM Thread" prio=10 tid=0x00007f7168060800 nid=0x3c3c runnable

"GC task thread#0 (ParallelGC)" prio=10 tid=0x00007f7168013000 nid=0x3c3a runnable

"GC task thread#1 (ParallelGC)" prio=10 tid=0x00007f7168014800 nid=0x3c3b runnable

"VM Periodic Task Thread" prio=10 tid=0x00007f716809f800 nid=0x3c4b waiting on condition

JNI global references: 1649

Heap
PSYoungGen total 18048K, used 7146K [0x00007f714bd20000, 0x00007f714d140000, 0x00007f715ff20000)
eden space 15488K, 46% used [0x00007f714bd20000,0x00007f714c41ab38,0x00007f714cc40000)
from space 2560K, 0% used [0x00007f714cec0000,0x00007f714cec0000,0x00007f714d140000)
to space 2560K, 0% used [0x00007f714cc40000,0x00007f714cc40000,0x00007f714cec0000)
PSOldGen total 41216K, used 0K [0x00007f7123920000, 0x00007f7126160000, 0x00007f714bd20000)
object space 41216K, 0% used [0x00007f7123920000,0x00007f7123920000,0x00007f7126160000)
PSPermGen total 21248K, used 5538K [0x00007f711e520000, 0x00007f711f9e0000, 0x00007f7123920000)
object space 21248K, 26% used [0x00007f711e520000,0x00007f711ea88b90,0x00007f711f9e0000)