sunkai-cai opened a new issue, #20319: URL: https://github.com/apache/shardingsphere/issues/20319
### Which version of ShardingSphere did you use? master https://github.com/apache/shardingsphere/commit/4b834438e606d29e2012318c75edefcb0fbd699e ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy? ShardingSphere-Proxy ``` [ERROR] 2022-08-20 09:31:32.769 [epollEventLoopGroup-2-1] o.a.s.a.c.b.listener.LoggingListener - Failed to instrument io.netty.channel.ChannelFutureListener$3 java.lang.NullPointerException: Cannot invoke "java.util.Map.containsKey(Object)" because the return value of "org.apache.shardingsphere.agent.core.plugin.AgentPluginLoader.access$000(org.apache.shardingsphere.agent.core.plugin.AgentPluginLoader)" is null at org.apache.shardingsphere.agent.core.plugin.AgentPluginLoader$1.matches(AgentPluginLoader.java:134) at org.apache.shardingsphere.agent.core.plugin.AgentPluginLoader$1.matches(AgentPluginLoader.java:130) at org.apache.shardingsphere.dependencies.net.bytebuddy.agent.builder.AgentBuilder$RawMatcher$ForElementMatchers.matches(AgentBuilder.java:1833) at org.apache.shardingsphere.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer.doTransform(AgentBuilder.java:11870) at org.apache.shardingsphere.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer.transform(AgentBuilder.java:11828) at org.apache.shardingsphere.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer.access$1700(AgentBuilder.java:11545) at org.apache.shardingsphere.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer$Java9CapableVmDispatcher.run(AgentBuilder.java:12308) at org.apache.shardingsphere.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer$Java9CapableVmDispatcher.run(AgentBuilder.java:12240) at java.base/java.security.AccessController.doPrivileged(AccessController.java:399) at org.apache.shardingsphere.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer.doPrivileged(AgentBuilder.java) at org.apache.shardingsphere.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer.transform(AgentBuilder.java:11771) at org.apache.shardingsphere.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer$ByteBuddy$ModuleSupport.transform(Unknown Source) at java.instrument/sun.instrument.TransformerManager.transform(TransformerManager.java:188) at java.instrument/sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:541) at java.base/java.lang.ClassLoader.defineClass1(Native Method) at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012) at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150) at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862) at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760) at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681) at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) at io.netty.channel.ChannelFutureListener.<clinit>(ChannelFutureListener.java:65) at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:356) at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164) at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469) at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:387) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ``` ### Example codes for reproduce this issue (such as a github link). cat conf/agent.yaml ``` applicationName: shardingsphere ignoredPluginNames: - Jaeger - OpenTracing - Zipkin - OpenTelemetry - Logging - Prometheus plugins: Prometheus: host: "localhost" port: 9090 props: JVM_INFORMATION_COLLECTOR_ENABLED : "true" Jaeger: host: "localhost" port: 5775 props: SERVICE_NAME: "shardingsphere" JAEGER_SAMPLER_TYPE: "const" JAEGER_SAMPLER_PARAM: "1" Zipkin: host: "localhost" port: 9411 props: SERVICE_NAME: "shardingsphere" URL_VERSION: "/api/v2/spans" SAMPLER_TYPE: "const" SAMPLER_PARAM: "1" OpenTracing: props: OPENTRACING_TRACER_CLASS_NAME: "org.apache.skywalking.apm.toolkit.opentracing.SkywalkingTracer" OpenTelemetry: props: otel.resource.attributes: "service.name=shardingsphere" otel.traces.exporter: "zipkin" Logging: props: LEVEL: "INFO" ``` -- This is an automated message from the Apache Git Service. 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