java.lang.NullPointerException

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  • Unpacked scala and try to run it. Fails, giving this output: ./scala Welcome to Scala version 2.10.2 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_51). Type in expressions to have them evaluated. Type :help for more information. scala> [init] error: error while loading <root>, error in opening zip file Failed to initialize compiler: object scala.runtime in compiler mirror not found. ** Note that as of 2.8 scala does not assume use of the java classpath. ** For the old behavior pass -usejavacp to scala, or if using a Settings ** object programatically, settings.usejavacp.value = true. Failed to initialize the REPL due to an unexpected error. This is a bug, please, report it along with the error diagnostics printed below. java.lang.NullPointerException at scala.tools.nsc.interpreter.ExprTyper$codeParser$.applyRule(ExprTyper.scala:24) at scala.tools.nsc.interpreter.ExprTyper$codeParser$.stmts(ExprTyper.scala:35) at scala.tools.nsc.interpreter.ExprTyper$$anonfun$parse$2.apply(ExprTyper.scala:43) at scala.tools.nsc.interpreter.ExprTyper$$anonfun$parse$2.apply(ExprTyper.scala:42) at scala.tools.nsc.reporters.Reporter.withIncompleteHandler(Reporter.scala:51) at scala.tools.nsc.interpreter.ExprTyper$class.parse(ExprTyper.scala:42) at scala.tools.nsc.interpreter.IMain$exprTyper$.parse(IMain.scala:1074) at scala.tools.nsc.interpreter.IMain.parse(IMain.scala:1078) at scala.tools.nsc.interpreter.IMain$$anonfun$showCodeIfDebugging$1.apply(IMain.scala:1168) at scala.tools.nsc.interpreter.IMain$$anonfun$showCodeIfDebugging$1.apply(IMain.scala:1168) at scala.tools.nsc.interpreter.IMain.beSilentDuring(IMain.scala:238) at scala.tools.nsc.interpreter.IMain.showCodeIfDebugging(IMain.scala:1168) at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.compileAndSaveRun(IMain.scala:800) at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.compile(IMain.scala:761) at scala.tools.nsc.interpreter.IMain.bind(IMain.scala:618) at scala.tools.nsc.interpreter.IMain.bind(IMain.scala:661) at scala.tools.nsc.interpreter.IMain$$anonfun$quietBind$1.apply(IMain.scala:660) at scala.tools.nsc.interpreter.IMain$$anonfun$quietBind$1.apply(IMain.scala:660) at scala.tools.nsc.interpreter.IMain.beQuietDuring(IMain.scala:232) at scala.tools.nsc.interpreter.IMain.quietBind(IMain.scala:660) at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1$$anonfun$apply$mcZ$sp$2.apply$mcV$sp(ILoop.scala:838) at scala.tools.nsc.interpreter.ILoopInit$class.runThunks(ILoopInit.scala:122) at scala.tools.nsc.interpreter.ILoop.runThunks(ILoop.scala:42) at scala.tools.nsc.interpreter.ILoopInit$class.postInitialization(ILoopInit.scala:95) at scala.tools.nsc.interpreter.ILoop.postInitialization(ILoop.scala:42) at scala.tools.nsc.interpreter.ILoopInit$$anonfun$createAsyncListener$1.apply$mcV$sp(ILoopInit.scala:63) at scala.tools.nsc.interpreter.ILoopInit$$anonfun$createAsyncListener$1.apply(ILoopInit.scala:60) at scala.tools.nsc.interpreter.ILoopInit$$anonfun$createAsyncListener$1.apply(ILoopInit.scala:60) at scala.tools.nsc.io.package$$anon$3.call(package.scala:40) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:680) .
    via by Charlie Martin,
  • Unpacked scala and try to run it. Fails, giving this output: ./scala Welcome to Scala version 2.10.2 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_51). Type in expressions to have them evaluated. Type :help for more information. scala> [init] error: error while loading <root>, error in opening zip file Failed to initialize compiler: object scala.runtime in compiler mirror not found. ** Note that as of 2.8 scala does not assume use of the java classpath. ** For the old behavior pass -usejavacp to scala, or if using a Settings ** object programatically, settings.usejavacp.value = true. Failed to initialize the REPL due to an unexpected error. This is a bug, please, report it along with the error diagnostics printed below. java.lang.NullPointerException at scala.tools.nsc.interpreter.ExprTyper$codeParser$.applyRule(ExprTyper.scala:24) at scala.tools.nsc.interpreter.ExprTyper$codeParser$.stmts(ExprTyper.scala:35) at scala.tools.nsc.interpreter.ExprTyper$$anonfun$parse$2.apply(ExprTyper.scala:43) at scala.tools.nsc.interpreter.ExprTyper$$anonfun$parse$2.apply(ExprTyper.scala:42) at scala.tools.nsc.reporters.Reporter.withIncompleteHandler(Reporter.scala:51) at scala.tools.nsc.interpreter.ExprTyper$class.parse(ExprTyper.scala:42) at scala.tools.nsc.interpreter.IMain$exprTyper$.parse(IMain.scala:1074) at scala.tools.nsc.interpreter.IMain.parse(IMain.scala:1078) at scala.tools.nsc.interpreter.IMain$$anonfun$showCodeIfDebugging$1.apply(IMain.scala:1168) at scala.tools.nsc.interpreter.IMain$$anonfun$showCodeIfDebugging$1.apply(IMain.scala:1168) at scala.tools.nsc.interpreter.IMain.beSilentDuring(IMain.scala:238) at scala.tools.nsc.interpreter.IMain.showCodeIfDebugging(IMain.scala:1168) at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.compileAndSaveRun(IMain.scala:800) at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.compile(IMain.scala:761) at scala.tools.nsc.interpreter.IMain.bind(IMain.scala:618) at scala.tools.nsc.interpreter.IMain.bind(IMain.scala:661) at scala.tools.nsc.interpreter.IMain$$anonfun$quietBind$1.apply(IMain.scala:660) at scala.tools.nsc.interpreter.IMain$$anonfun$quietBind$1.apply(IMain.scala:660) at scala.tools.nsc.interpreter.IMain.beQuietDuring(IMain.scala:232) at scala.tools.nsc.interpreter.IMain.quietBind(IMain.scala:660) at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1$$anonfun$apply$mcZ$sp$2.apply$mcV$sp(ILoop.scala:838) at scala.tools.nsc.interpreter.ILoopInit$class.runThunks(ILoopInit.scala:122) at scala.tools.nsc.interpreter.ILoop.runThunks(ILoop.scala:42) at scala.tools.nsc.interpreter.ILoopInit$class.postInitialization(ILoopInit.scala:95) at scala.tools.nsc.interpreter.ILoop.postInitialization(ILoop.scala:42) at scala.tools.nsc.interpreter.ILoopInit$$anonfun$createAsyncListener$1.apply$mcV$sp(ILoopInit.scala:63) at scala.tools.nsc.interpreter.ILoopInit$$anonfun$createAsyncListener$1.apply(ILoopInit.scala:60) at scala.tools.nsc.interpreter.ILoopInit$$anonfun$createAsyncListener$1.apply(ILoopInit.scala:60) at scala.tools.nsc.io.package$$anon$3.call(package.scala:40) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:680) .
    via by Charlie Martin,
  • Custom Scala REPL Issues
    via Stack Overflow by James Hughes
    ,
    • java.lang.NullPointerException at scala.tools.nsc.interpreter.ExprTyper$codeParser$.applyRule(ExprTyper.scala:24) at scala.tools.nsc.interpreter.ExprTyper$codeParser$.stmts(ExprTyper.scala:35) at scala.tools.nsc.interpreter.ExprTyper$$anonfun$parse$2.apply(ExprTyper.scala:43) at scala.tools.nsc.interpreter.ExprTyper$$anonfun$parse$2.apply(ExprTyper.scala:42) at scala.tools.nsc.reporters.Reporter.withIncompleteHandler(Reporter.scala:51) at scala.tools.nsc.interpreter.ExprTyper$class.parse(ExprTyper.scala:42) at scala.tools.nsc.interpreter.IMain$exprTyper$.parse(IMain.scala:1074) at scala.tools.nsc.interpreter.IMain.parse(IMain.scala:1078) at scala.tools.nsc.interpreter.IMain$$anonfun$showCodeIfDebugging$1.apply(IMain.scala:1168) at scala.tools.nsc.interpreter.IMain$$anonfun$showCodeIfDebugging$1.apply(IMain.scala:1168) at scala.tools.nsc.interpreter.IMain.beSilentDuring(IMain.scala:238) at scala.tools.nsc.interpreter.IMain.showCodeIfDebugging(IMain.scala:1168) at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.compileAndSaveRun(IMain.scala:800) at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.compile(IMain.scala:761) at scala.tools.nsc.interpreter.IMain.bind(IMain.scala:618) at scala.tools.nsc.interpreter.IMain.bind(IMain.scala:661) at scala.tools.nsc.interpreter.IMain$$anonfun$quietBind$1.apply(IMain.scala:660) at scala.tools.nsc.interpreter.IMain$$anonfun$quietBind$1.apply(IMain.scala:660) at scala.tools.nsc.interpreter.IMain.beQuietDuring(IMain.scala:232) at scala.tools.nsc.interpreter.IMain.quietBind(IMain.scala:660) at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1$$anonfun$apply$mcZ$sp$2.apply$mcV$sp(ILoop.scala:838) at scala.tools.nsc.interpreter.ILoopInit$class.runThunks(ILoopInit.scala:122) at scala.tools.nsc.interpreter.ILoop.runThunks(ILoop.scala:42) at scala.tools.nsc.interpreter.ILoopInit$class.postInitialization(ILoopInit.scala:95) at scala.tools.nsc.interpreter.ILoop.postInitialization(ILoop.scala:42) at scala.tools.nsc.interpreter.ILoopInit$$anonfun$createAsyncListener$1.apply$mcV$sp(ILoopInit.scala:63) at scala.tools.nsc.interpreter.ILoopInit$$anonfun$createAsyncListener$1.apply(ILoopInit.scala:60) at scala.tools.nsc.interpreter.ILoopInit$$anonfun$createAsyncListener$1.apply(ILoopInit.scala:60) at scala.tools.nsc.io.package$$anon$3.call(package.scala:40) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:680)

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