I'm an newbie in corda and while starting the nodes using call command after the successful build, one of the nodes of corda throws us this null pointer exception shown below
java.lang.NullPointerException at co.paralleluniverse.fibers.instrument.MethodDatabase$ClassEntry.equals(MethodDatabase.java:557) at co.paralleluniverse.fibers.instrument.MethodDatabase.recordSuspendableMethods(MethodDatabase.java:265) at co.paralleluniverse.fibers.instrument.MethodDatabase.checkClass(MethodDatabase.java:327) at co.paralleluniverse.fibers.instrument.MethodDatabase.getOrLoadClassEntry(MethodDatabase.java:183) at co.paralleluniverse.fibers.instrument.SimpleSuspendableClassifier.isSuspendable(SimpleSuspendableClassifier.java:156) at co.paralleluniverse.fibers.instrument.DefaultSuspendableClassifier.isSuspendable(DefaultSuspendableClassifier.java:47) at co.paralleluniverse.fibers.instrument.CheckInstrumentationVisitor.visitMethod(CheckInstrumentationVisitor.java:130) at co.paralleluniverse.asm.ClassReader.b(Unknown Source) at co.paralleluniverse.asm.ClassReader.accept(Unknown Source) at co.paralleluniverse.asm.ClassReader.accept(Unknown Source) at co.paralleluniverse.fibers.instrument.MethodDatabase.checkFileAndClose(MethodDatabase.java:347) at co.paralleluniverse.fibers.instrument.MethodDatabase.checkClass(MethodDatabase.java:324) at co.paralleluniverse.fibers.instrument.MethodDatabase.getOrLoadClassEntry(MethodDatabase.java:183) at co.paralleluniverse.fibers.instrument.MethodDatabase.isMethodSuspendable0(MethodDatabase.java:194) at co.paralleluniverse.fibers.instrument.MethodDatabase.isMethodSuspendable(MethodDatabase.java:161) at co.paralleluniverse.fibers.instrument.InstrumentMethod.isSuspendableCall(InstrumentMethod.java:231) at co.paralleluniverse.fibers.instrument.LabelSuspendableCallSitesClassVisitor$1.visitMethodInsn(LabelSuspendableCallSitesClassVisitor.java:64) at co.paralleluniverse.asm.ClassReader.a(Unknown Source) at co.paralleluniverse.asm.ClassReader.b(Unknown Source) at co.paralleluniverse.asm.ClassReader.accept(Unknown Source) at co.paralleluniverse.asm.ClassReader.accept(Unknown Source) at co.paralleluniverse.fibers.instrument.QuasarInstrumentor.instrumentClass(QuasarInstrumentor.java:123) at co.paralleluniverse.fibers.instrument.QuasarInstrumentor.instrumentClass(QuasarInstrumentor.java:94) at co.paralleluniverse.fibers.instrument.JavaAgent$Transformer.transform(JavaAgent.java:209) at sun.instrument.TransformerManager.transform(Unknown Source) at sun.instrument.InstrumentationImpl.transform(Unknown Source) at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(Unknown Source) at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(Unknown Source) [quasar] ERROR: java/lang/Thread java.lang.NullPointerException at co.paralleluniverse.fibers.instrument.MethodDatabase$ClassEntry.equals(MethodDatabase.java:557) at co.paralleluniverse.fibers.instrument.MethodDatabase.recordSuspendableMethods(MethodDatabase.java:265) at co.paralleluniverse.fibers.instrument.MethodDatabase.checkClass(MethodDatabase.java:327) at co.paralleluniverse.fibers.instrument.MethodDatabase.getOrLoadClassEntry(MethodDatabase.java:183) at co.paralleluniverse.fibers.instrument.SimpleSuspendableClassifier.isSuspendable(SimpleSuspendableClassifier.java:156) at co.paralleluniverse.fibers.instrument.DefaultSuspendableClassifier.isSuspendable(DefaultSuspendableClassifier.java:47) at co.paralleluniverse.fibers.instrument.CheckInstrumentationVisitor.visitMethod(CheckInstrumentationVisitor.java:130) at co.paralleluniverse.asm.ClassReader.b(Unknown Source) at co.paralleluniverse.asm.ClassReader.accept(Unknown Source) at co.paralleluniverse.asm.ClassReader.accept(Unknown Source) at co.paralleluniverse.fibers.instrument.MethodDatabase.checkFileAndClose(MethodDatabase.java:347) at co.paralleluniverse.fibers.instrument.MethodDatabase.checkClass(MethodDatabase.java:324) at co.paralleluniverse.fibers.instrument.MethodDatabase.getOrLoadClassEntry(MethodDatabase.java:183) at co.paralleluniverse.fibers.instrument.MethodDatabase.isMethodSuspendable0(MethodDatabase.java:194) at co.paralleluniverse.fibers.instrument.MethodDatabase.isMethodSuspendable(MethodDatabase.java:161) at co.paralleluniverse.fibers.instrument.InstrumentMethod.isSuspendableCall(InstrumentMethod.java:231) at co.paralleluniverse.fibers.instrument.LabelSuspendableCallSitesClassVisitor$1.visitMethodInsn(LabelSuspendableCallSitesClassVisitor.java:64) at co.paralleluniverse.asm.ClassReader.a(Unknown Source) at co.paralleluniverse.asm.ClassReader.b(Unknown Source) at co.paralleluniverse.asm.ClassReader.accept(Unknown Source) at co.paralleluniverse.asm.ClassReader.accept(Unknown Source) at co.paralleluniverse.fibers.instrument.QuasarInstrumentor.instrumentClass(QuasarInstrumentor.java:123) at co.paralleluniverse.fibers.instrument.QuasarInstrumentor.instrumentClass(QuasarInstrumentor.java:94) at co.paralleluniverse.fibers.instrument.JavaAgent$Transformer.transform(JavaAgent.java:209) at sun.instrument.TransformerManager.transform(Unknown Source) at sun.instrument.InstrumentationImpl.transform(Unknown Source) at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(Unknown Source) at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(Unknown Source)
and after a brief period of time, the node completes shows it's usual corda logo and followed by H2 console url , as an normal node. is it an normal behaviour?
I did my programming using kotlin.
