getappmap / getappmap/appmap-java

NullPointerException when trying to run with empty yaml

Abierto
#80 1 comentario 0 reacciones 0 asignados Ver en GitHub

Nadie ha tomado este issue todavía.

bug
Lenguaje dominante
Java
Estrellas
88
Forks
17
Merge medio
2 d 2 h
PR fusionados (30 d)
1

Descripción

touch app.yaml
jbang --javaagent=https://github.com/applandinc/appmap-java/releases/download/v1.1.0/appmap-1.1.0.jar qs@quarkusio

results in NullPointerException:

java.lang.reflect.InvocationTargetException
	at jdk.internal.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at com.appland.appmap.transform.annotations.HookConditionSystem.match(HookConditionSystem.java:57)
	at com.appland.appmap.transform.annotations.Hook.prepare(Hook.java:116)
	at com.appland.appmap.transform.ClassFileTransformer.lambda$applyHooks$1(ClassFileTransformer.java:121)
	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
	at com.appland.appmap.transform.ClassFileTransformer.applyHooks(ClassFileTransformer.java:123)
	at com.appland.appmap.transform.ClassFileTransformer.transform(ClassFileTransformer.java:185)
	at java.instrument/java.lang.instrument.ClassFileTransformer.transform(ClassFileTransformer.java:246)
	at java.instrument/sun.instrument.TransformerManager.transform(TransformerManager.java:188)
	at java.instrument/sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:563)
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1017)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
	at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:800)
	at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:698)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:621)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:579)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
	at org.jboss.threads.JBossExecutors.classLoaderPreservingTaskUnchecked(JBossExecutors.java:311)
	at org.jboss.threads.JBossExecutors.classLoaderPreservingTask(JBossExecutors.java:292)
	at org.jboss.threads.EnhancedQueueExecutor.completeTermination(EnhancedQueueExecutor.java:1820)
	at org.jboss.threads.EnhancedQueueExecutor.tryDeallocateThread(EnhancedQueueExecutor.java:1652)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1471)
	at org.jboss.threads.DelegatingRunnable.run(DelegatingRunnable.java:29)
	at org.jboss.threads.ThreadLocalResettingRunnable.run(ThreadLocalResettingRunnable.java:29)
	at java.base/java.lang.Thread.run(Thread.java:834)
	at org.jboss.threads.JBossThread.run(JBossThread.java:501)
Caused by: java.lang.NullPointerException
java.lang.NullPointerException
	at com.appland.appmap.transform.annotations.HookAnnotatedSystem.match(HookAnnotatedSystem.java:35)
	at com.appland.appmap.transform.annotations.Hook.prepare(Hook.java:116)
	at com.appland.appmap.transform.ClassFileTransformer.lambda$applyHooks$1(ClassFileTransformer.java:121)
	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
	at com.appland.appmap.transform.ClassFileTransformer.applyHooks(ClassFileTransformer.java:123)
	at com.appland.appmap.transform.ClassFileTransformer.transform(ClassFileTransformer.java:185)
	at java.instrument/java.lang.instrument.ClassFileTransformer.transform(ClassFileTransformer.java:246)
	at java.instrument/sun.instrument.TransformerManager.transform(TransformerManager.java:188)
	at java.instrument/sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:563)
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1017)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
	at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:800)
	at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:698)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:621)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:579)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
	at org.jboss.threads.JBossExecutors.classLoaderPreservingTaskUnchecked(JBossExecutors.java:311)
	at org.jboss.threads.JBossExecutors.classLoaderPreservingTask(JBossExecutors.java:292)
	at org.jboss.threads.EnhancedQueueExecutor.completeTermination(EnhancedQueueExecutor.java:1820)
	at org.jboss.threads.EnhancedQueueExecutor.tryDeallocateThread(EnhancedQueueExecutor.java:1652)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1471)
	at org.jboss.threads.DelegatingRunnable.run(DelegatingRunnable.java:29)
	at org.jboss.threads.ThreadLocalResettingRunnable.run(ThreadLocalResettingRunnable.java:29)
	at java.base/java.lang.Thread.run(Thread.java:834)
	at org.jboss.threads.JBossThread.run(JBossThread.java:501)
java.lang.NullPointerException
	at com.appland.appmap.transform.annotations.HookAnnotatedSystem.match(HookAnnotatedSystem.java:35)
	at com.appland.appmap.transform.annotations.Hook.prepare(Hook.java:116)
	at com.appland.appmap.transform.ClassFileTransformer.lambda$applyHooks$1(ClassFileTransformer.java:121)
	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
	at com.appland.appmap.transform.ClassFileTransformer.applyHooks(ClassFileTransformer.java:123)
	at com.appland.appmap.transform.ClassFileTransformer.transform(ClassFileTransformer.java:185)
	at java.instrument/java.lang.instrument.ClassFileTransformer.transform(ClassFileTransformer.java:246)
	at java.instrument/sun.instrument.TransformerManager.transform(TransformerManager.java:188)
	at java.instrument/sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:563)
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1017)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
	at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:800)
	at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:698)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:621)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:579)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
	at org.jboss.threads.ThreadLocalResettingRunnable.run(ThreadLocalResettingRunnable.java:31)
	at java.base/java.lang.Thread.run(Thread.java:834)
	at org.jboss.threads.JBossThread.run(JBossThread.java:501)

yes, the yaml is empty but still shouldn't fail hard this way.

Guía de contribución

Abrir la guía de contribución

Primeros pasos

  1. Lee el issue completo y luego la guía de contribución del proyecto.
  2. Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
  3. Haz un fork del repositorio y trabaja en una rama.
  4. Abre un pull request que haga referencia al número del issue.

Línea de trabajo

Reproduce el fallo con un app.yaml vacío y el comando de JBang indicado. Empieza en HookAnnotatedSystem.match, línea 35, y sigue el flujo a través de Hook.prepare y ClassFileTransformer.applyHooks. El trabajo estará terminado cuando el caso de YAML vacío ya no produzca la NullPointerException indicada durante el arranque.

Escrito por el modelo de indexación a partir del texto del issue.

Evaluación

Stack tecnológico
java
Área
devtools
Tipo de issue
Error
Dificultad
3/5
Tiempo estimado
1-2 días
Estado de actividad
Estancado
Claridad
Bastante claro
Aptitud para principiantes
38/100

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