Scala scripting: NPE when scripting engine is used standalone --------------------------------------------------------------
Key: SLING-1877 URL: https://issues.apache.org/jira/browse/SLING-1877 Project: Sling Issue Type: Bug Components: Scripting Affects Versions: Scripting Scala 1.0.0 Reporter: Michael Dürig When the Scala scripting engine is used stand alone (i.e. independently from Sling), the eval method causes a NPE: javax.script.ScriptException: Error executing script at org.apache.sling.scripting.scala.ScalaScriptEngine.eval(ScalaScriptEngine.scala:152) at javax.script.AbstractScriptEngine.eval(AbstractScriptEngine.java:247) at org.apache.sling.scripting.scala.ScalaScriptEngineTest.testScriptEngine(ScalaScriptEngineTest.scala:20) 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 junit.framework.TestCase.runTest(TestCase.java:168) at junit.framework.TestCase.runBare(TestCase.java:134) at junit.framework.TestResult$1.protect(TestResult.java:110) at junit.framework.TestResult.runProtected(TestResult.java:128) at junit.framework.TestResult.run(TestResult.java:113) at junit.framework.TestCase.run(TestCase.java:124) at junit.framework.TestSuite.runTest(TestSuite.java:232) at junit.framework.TestSuite.run(TestSuite.java:227) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83) at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:62) at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140) at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127) at org.apache.maven.surefire.Surefire.run(Surefire.java:177) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345) at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009) Caused by: java.lang.NullPointerException at scala.collection.mutable.ArrayOps$ofRef.length(ArrayOps.scala:99) at scala.collection.SeqLike$class.size(SeqLike.scala:221) at scala.collection.mutable.ArrayOps.size(ArrayOps.scala:34) at scala.collection.mutable.Builder$class.sizeHint(Builder.scala:69) at scala.collection.mutable.ArrayBuilder.sizeHint(ArrayBuilder.scala:24) at scala.collection.TraversableLike$class.map(TraversableLike.scala:205) at scala.collection.mutable.ArrayOps.map(ArrayOps.scala:34) at org.apache.sling.scripting.scala.interpreter.ScalaCompiler.classPath(ScalaCompiler.scala:38) at org.apache.sling.scripting.scala.interpreter.ScalaCompiler.rootLoader(ScalaCompiler.scala:42) at scala.tools.nsc.symtab.Definitions$definitions$.RootClass(Definitions.scala:31) at scala.tools.nsc.symtab.Definitions$definitions$.EmptyPackage(Definitions.scala:33) at scala.tools.nsc.symtab.Definitions$definitions$.EmptyPackageClass(Definitions.scala:34) at scala.tools.nsc.symtab.Definitions$definitions$.init(Definitions.scala:780) at scala.tools.nsc.Global$Run.<init>(Global.scala:597) at org.apache.sling.scripting.scala.interpreter.ScalaInterpreter.compile(ScalaInterpreter.scala:126) at org.apache.sling.scripting.scala.interpreter.ScalaInterpreter.compile(ScalaInterpreter.scala:142) at org.apache.sling.scripting.scala.interpreter.ScalaInterpreter.compile(ScalaInterpreter.scala:152) at org.apache.sling.scripting.scala.ScalaScriptEngine$$anonfun$1.apply(ScalaScriptEngine.scala:113) at org.apache.sling.scripting.scala.ScalaScriptEngine$$anonfun$1.apply(ScalaScriptEngine.scala:113) at org.apache.sling.scripting.scala.ScalaScriptEngine.writeLocked(ScalaScriptEngine.scala:171) at org.apache.sling.scripting.scala.ScalaScriptEngine.eval(ScalaScriptEngine.scala:112) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.