NullPointerException when trying to run with empty yaml
未關閉
還沒有人認領這個 Issue。
評估
研究方向
使用空的 app.yaml 和回報的 JBang 指令重現此故障。從第 35 行的 HookAnnotatedSystem.match 開始，接著追蹤經過 Hook.prepare 和 ClassFileTransformer.applyHooks 的流程。完成的標準是：空的 YAML 情況在啟動期間不再產生回報的 NullPointerException。
由索引模型根據 Issue 內容生成。
描述
bug
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.
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