[ERROR] Unable to start external process
[INFO] java.io.IOException: Cannot run program "C:\Program Files\Java\jdk1.8.0_181\jre\bin\java": CreateProcess error=206, The filename or extension is too long
[INFO] at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
[INFO] at com.google.gwt.dev.ExternalPermutationWorkerFactory.launchExternalWorker(ExternalPermutationWorkerFactory.java:282)
[INFO] at com.google.gwt.dev.ExternalPermutationWorkerFactory.getWorkers(ExternalPermutationWorkerFactory.java:374)
[INFO] at com.google.gwt.dev.PermutationWorkerFactory.createWorkers(PermutationWorkerFactory.java:351)
[INFO] at com.google.gwt.dev.PermutationWorkerFactory.compilePermutations(PermutationWorkerFactory.java:254)
[INFO] at com.google.gwt.dev.CompilePerms.compile(CompilePerms.java:211)
[INFO] at com.google.gwt.dev.Compiler.compile(Compiler.java:219)
[INFO] at com.google.gwt.dev.Compiler.compile(Compiler.java:155)
[INFO] at com.google.gwt.dev.Compiler.compile(Compiler.java:144)
[INFO] at com.google.gwt.dev.Compiler$1.run(Compiler.java:118)
[INFO] at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:55)
[INFO] at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:50)
[INFO] at com.google.gwt.dev.Compiler.main(Compiler.java:125)
[INFO] Caused by: java.io.IOException: CreateProcess error=206, The filename or extension is too long
[INFO] at java.lang.ProcessImpl.create(Native Method)
[INFO] at java.lang.ProcessImpl.<init>(ProcessImpl.java:386)
[INFO] at java.lang.ProcessImpl.start(ProcessImpl.java:137)
[INFO] at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)