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java.lang.NullPointerException: Inflater has been closed at java.util.zip.Inflater.ensureOpen(Inflater.java:389) at java.util.zip.Inflater.inflate(Inflater.java:257) at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:152) at java.io.FilterInputStream.read(FilterInputStream.java:133) at java.io.BufferedInputStream.fill(BufferedInputStream.java:246) at java.io.BufferedInputStream.read(BufferedInputStream.java:265) at java.io.DataInputStream.readInt(DataInputStream.java:387) at javassist.bytecode.ClassFile.read(ClassFile.java:777) at javassist.bytecode.ClassFile.<init>(ClassFile.java:124) at javassist.CtClassType.getClassFile2(CtClassType.java:192) at javassist.compiler.MemberResolver.lookupMethod(MemberResolver.java:98) at javassist.compiler.MemberResolver.lookupMethod(MemberResolver.java:84) at javassist.compiler.TypeChecker.atMethodCallCore(TypeChecker.java:711) at javassist.compiler.TypeChecker.atCallExpr(TypeChecker.java:688) at javassist.compiler.JvstTypeChecker.atCallExpr(JvstTypeChecker.java:157) at javassist.compiler.ast.CallExpr.accept(CallExpr.java:46) at javassist.compiler.CodeGen.doTypeCheck(CodeGen.java:242) at javassist.compiler.CodeGen.atStmnt(CodeGen.java:330) at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50) at javassist.compiler.CodeGen.atStmnt(CodeGen.java:351) at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50) at javassist.compiler.CodeGen.atMethodBody(CodeGen.java:292) at javassist.compiler.CodeGen.atMethodDecl(CodeGen.java:274) at javassist.compiler.ast.MethodDecl.accept(MethodDecl.java:44) at javassist.compiler.Javac.compileMethod(Javac.java:169) at javassist.compiler.Javac.compile(Javac.java:95) at javassist.CtNewMethod.make(CtNewMethod.java:74) at javassist.CtNewMethod.make(CtNewMethod.java:45) at water.Weaver.addMethod(Weaver.java:367) at water.Weaver.make_body(Weaver.java:360) at water.Weaver.genIcerClass(Weaver.java:181) at water.Weaver.javassistLoadClass(Weaver.java:133) at water.Weaver.genDelegate(Weaver.java:60) at water.TypeMap.getIcer(TypeMap.java:183) at water.TypeMap.getIcer(TypeMap.java:170) at water.Iced.icer(Iced.java:41) at water.Iced.write(Iced.java:47) at water.UDPHeartbeat.build_and_multicast(UDPHeartbeat.java:24) at water.HeartBeatThread.run(HeartBeatThread.java:135)