锘??xml version="1.0" encoding="utf-8" standalone="yes"?> 鍦ㄥ嚑涓湀鍓嶆敼閫燿ubbo鏃訛紝netty4宸茬粡紼沖畾寰堜箙浜嗭紝涓鏃舵墜鐥掞紝鎸夌収netty3-rpc鐨勬簮鐮佸厠闅嗕簡涓濂梟etty4錛屽湪淇浜嗗ぇ閲忕殑鍖呫佺被鍨嬩笉鍚屼箣鍚庯紝鍩烘湰淇濇寔浜唍etty3鐨勯鏍鹼紝騫跺彂閲忓皬鎴栬呮暟鎹寘寰堝皬鏃訛紝涓鍒囬兘寰坥k, 鍦ㄨ繘琛屽ぇ騫跺彂嫻嬭瘯鏃訛紝緇撴灉鍜宯etty3瀹屽叏涓嶅悓錛屽熀鏈敤鎯ㄤ笉蹇嶇澒鏉ュ艦瀹廣傜敱浜庡綋鏃舵ヤ簬寮鍙憄hp瀹㈡埛绔紝灝辨妸netty4-rpc褰撳仛涓涓け璐ョ殑緇勪歡瀛樻。璧鋒潵錛?nbsp;鍓嶅嚑澶﹑hp-dubbo寮鍙戝熀鏈畬鎴愪箣鍚庯紝榪斿洖榪囨潵鎬濊僴etty4-rpc鐨勯棶棰橈紝緇忚繃浠旂粏鍒嗘瀽鏁版嵁鍖呯殑瑙f瀽榪囩▼錛屽崟姝ヨ窡韙簮鐮?/p> NettyCodecAdapter, TelnetCodec, ExchangeCoedec錛屽彂鐜癇yteBuf鐨勭紦鍐插尯涓?024,褰撴暟鎹秴榪?024鏃訛紝浼氳皟鐢ㄥ嬈ecoder.messageReceived鍑芥暟錛岀涓嬈″垎鏋恉ubbo鐨勫崗璁ご鏃訛紝鏄紜殑錛岀浜屾涔嬪悗鏁版嵁灝遍敊璇簡錛岀劧鍚巇ubbo鍐呴儴緙撳啿鍖虹殑鏁版嵁瓚婃潵瓚婇暱錛屼絾鏄粛鐒跺垎鏋愪笉鍒頒竴涓畬鏁寸殑dubbo鏁版嵁鍖?/p> 鍥犳鍘葷湅netty4鐨勬簮鐮侊紝鍙戠幇AbstractNioByteChannel涓湁緗戠粶鏁版嵁鎺ユ敹鐨勪唬鐮佹椂榪欎箞澶勭悊ByteBuf鐨?br style="padding: 0px; margin: 0px;" /> ByteBuf byteBuf = null; 鐪嬭娌★紝鍐呮牳鏄渶瑕丅yteBuf.release鐨勶紝緇х畫閫氳繃byteBuf鐨勪竴涓疄鐜癙ooledByteBuf鍒嗘瀽婧愮爜錛屽師鏉ユ槸瀹炵幇浜嗕竴涓熀浜庣畝鍗曡鏁板簲鐢ㄨ鏁扮殑寰幆浣跨敤鐨勭紦鍐插尯錛屼竴鏃﹁鏁板彉涓?錛岃緙撳啿鍖鴻褰掕繕鍒皀etty4鍐呮牳錛岃鍚庨潰鐨勬暟鎹鍙栫嚎紼嬮噸鏂頒嬌鐢?/p> 鑰屾垜浠琁nternalDecoder鐨勪唬鐮佷負 message = com.alibaba.dubbo.remoting.buffer.ChannelBuffers.wrappedBuffer( 鐩存帴寮曠敤浜咮yteBuf.toByteBuffer錛岀戶緇煡鐪嬫簮鐮乁npooledHeapByteBuf, 鍏秚oByteBuffer瀹為檯鏄鍐呴儴鏁版嵁鐨?/p> 涓涓猲io灝佽鑰屽凡錛屽洜姝わ紝浣跨敤涓婅堪鍑芥暟鏃訛紝瀵艱嚧dubbo鐨刣ecode淇濆瓨浜嗕竴涓煇涓涓狟yteBuffer鐨勫唴閮ㄦ暟鎹紝浣嗘槸铏芥湁璇?/p> buffer琚綊榪樺埌netty4緙撳啿鍖轟腑琚驚鐜紩鐢紝涓嬩竴嬈″彲鑳借鍏朵粬璇誨啓綰跨▼閲嶆柊鏀瑰啓鏁版嵁錛屽洜姝わ紝楂樺茍鍙戜笅褰撶紦鍐插尯琚噸澶嶄嬌鐢ㄦ椂錛宐ytebuf灝嗙敱浜庤鏁伴棶棰樹笉鏂浣跨敤錛岃岃В鐮佸櫒涓己鍌誨偦絳夊緟銆?/p> 瑙e喅鏂規 1.閫氳繃byteBuf鐨剅etain鍜宺elease鍑芥暟淇濊瘉璁℃暟鐨勬湁鏁堟э紝閫氳繃紼嬪簭渚嬪鎴栬呯紦鍐插尯琚嬌鐢ㄥ畬鎴愭椂鍊欏綊榪楤yteBuf鍒皀etty4鍐呮牳 2.鎷瘋礉鏁版嵁鍒癲ubbo鐨勭紦鍐插尯涓?/p> 鎬濊冿細 netty3 鏄惁涔熸湁璇ラ棶棰樺憿錛燂紵錛?/p> 鍚屼簨鍒橀槼浣跨敤dubbo鏈嶅姟鍣ㄤ腑閰嶇疆mina浣滀負緗戠粶浼犺緭灞傦紝鍙戠幇澶у茍鍙戞儏鍐典笅錛岃В鐮佸彂鐢熷涓嬪紓甯?/p> 014-12-01 18:00:44,652 [DubboServerHandler-10.1.19.13:20880-thread-164] WARN alibaba.dubbo.remoting.exchange.codec.ExchangeCodec (ExchangeCodec.java:596) - [DUBBO] Fail to encode response: Response [id=8119, version=2.0.0, status=40, event=false, error=Fail to decode request due to: RpcInvocation [methodName=null, parameterTypes=null, arguments=null, attachments={input=242}, headers=null], result=null], send bad_response info instead, cause: null, dubbo version: 2.5.5, current host: 127.0.0.1 緇忚繃瀵規瘮netty3鍜宯etty4浣滀負浼犺緭灞傦紝鍗撮兘娌℃湁鍙戠幇綾諱技鐨勯棶棰樸?/p> 棣栧厛鎺掗櫎涓嶆槸mina鏈韓鐨勯棶棰橈紝mina涔熸病鏈夌垎鍑烘湁榪欎釜闂錛屽垵姝ュ垽鏂璬ubbo鍦ㄤ嬌鐢╩ina鏃舵満鍒舵湁闂 緇忚繃瀵規瘮鍙戠幇 1.netty鏄負姣忎竴涓猚hannel鍒嗛厤浜嗕竴涓狽ettyCodecAdapter, mina紜疄鍦ㄦ湇鍔″櫒鐩戝惉鍓嶉厤緗簡MinaCodecAdapter 2.涔熷氨鏄錛宯etty鐨勬瘡涓涓嫭绔嬬殑閫氶亾鐨凜odec(encoder/decoder錛夋槸閫氶亾瀹夊叏鐨?/p> 3.mina鐨勬墍鏈夐氶亾鏄叡浜浉鍚岀殑codec(encoder/decoder)鐨勶紝鍥犳錛岃В鐮佸櫒涓殑瀹炰緥鏁版嵁鏃墮潪channel瀹夊叏鐨?br style="padding: 0px; margin: 0px;" /> 鍥犳瑙g爜鍣ㄤ腑涓巒etty鐩稿悓鐨勮В鐮佸櫒鐨勭紦鍐叉暟鎹畻娉曞湪騫跺彂鎯呭喌涓嬪皢浼氫駭鐢熸暟鎹鐩栭棶棰樸?/p> 4.瑙e喅鏂規 1.閰嶇疆acceptor鐨勭洃鍚櫒 codecAdapter = new MinaCodecAdapter(getCodec(), getUrl(), this); acceptor.addListener(new IoServiceListener(){ 2.鐩戝惉session鐨刢reate鍜宒estroy浜嬩歡錛屼紶閫掑埌decoder涓紝decoder涓紝閫氳繃session鍜宐uffer鐨勯敭鍊煎淇濆瓨瀵逛笉鍚岄氶亾鐨勬暟鎹殑緙撳瓨錛?/p> private Map<IoSession, ChannelBuffer> buffers = new ConcurrentHashMap<IoSession, ChannelBuffer>(); 3.瑙g爜鏃墮氳繃session鑾峰緱褰撳墠channel鐨勬暟鎹?/p> ChannelBuffer buffer = buffers.get(session); 緇忚繃嫻嬭瘯錛岄棶棰樺緱浠ヨВ鍐?/p>
int messages = 0;
boolean close = false;
try {
int totalReadAmount = 0;
boolean readPendingReset = false;
do {
byteBuf = allocHandle.allocate(allocator);
int writable = byteBuf.writableBytes();
int localReadAmount = doReadBytes(byteBuf);
if (localReadAmount <= 0) {
// not was read release the buffer
byteBuf.release();
close = localReadAmount < 0;
break;
}
if (!readPendingReset) {
readPendingReset = true;
setReadPending(false);
}
pipeline.fireChannelRead(byteBuf);
byteBuf = null;
input.toByteBuffer());
java.lang.NullPointerException
at com.alibaba.dubbo.rpc.protocol.dubbo.DubboCodec.encodeResponseData(DubboCodec.java:301)
at com.alibaba.dubbo.remoting.exchange.codec.ExchangeCodec.encodeResponse(ExchangeCodec.java:560)
at com.alibaba.dubbo.remoting.exchange.codec.ExchangeCodec.encode(ExchangeCodec.java:104)
at com.alibaba.dubbo.rpc.protocol.dubbo.DubboCountCodec.encode(DubboCountCodec.java:39)
at com.alibaba.dubbo.remoting.transport.mina.MinaCodecAdapter$InternalEncoder.encode(MinaCodecAdapter.java:79)
at org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(ProtocolCodecFilter.java:214)
at org.apache.mina.common.support.AbstractIoFilterChain.callPreviousFilterWrite(AbstractIoFilterChain.java:361)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1300(AbstractIoFilterChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.filterWrite(AbstractIoFilterChain.java:659)
at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.filterWrite(AbstractIoFilterChain.java:587)
at org.apache.mina.common.support.AbstractIoFilterChain.callPreviousFilterWrite(AbstractIoFilterChain.java:361)
at org.apache.mina.common.support.AbstractIoFilterChain.fireFilterWrite(AbstractIoFilterChain.java:355)
at org.apache.mina.transport.socket.nio.SocketSessionImpl.write0(SocketSessionImpl.java:166)
at org.apache.mina.common.support.BaseIoSession.write(BaseIoSession.java:177)
at org.apache.mina.common.support.BaseIoSession.write(BaseIoSession.java:168)
at com.alibaba.dubbo.remoting.transport.mina.MinaChannel.send(MinaChannel.java:95)
at com.alibaba.dubbo.remoting.transport.AbstractPeer.send(AbstractPeer.java:51)
at
acceptor.getFilterChain().addLast("codec", new ProtocolCodecFilter(codecAdapter));
@Override
public void serviceActivated(IoService service,
SocketAddress serviceAddress, IoHandler handler,
IoServiceConfig config) {
}
@Override
public void serviceDeactivated(IoService service,
SocketAddress serviceAddress, IoHandler handler,
IoServiceConfig config) {
}
@Override
public void sessionCreated(IoSession session) {
codecAdapter.sessionCreated(session);
}
@Override
public void sessionDestroyed(IoSession session) {
codecAdapter.sessionDestroyed(session);
}
});
// ChannelBuffers.EMPTY_BUFFER;
public void sessionCreated(IoSession session) {
buffers.put(session, ChannelBuffers.EMPTY_BUFFER);
}
public void sessionDestroyed(IoSession session) {
buffers.remove(session);
}
if(buffer == null) return;
1.瀛楃涓茬殑鏍煎紡瀹氫箟涓?nbsp;瀛楁瘝S鎴栬匯 + 涓や釜瀛楄妭鐨勬暟鎹暱搴︼紙MSB錛? utf8鏍煎紡鐨勫瓧鑺傛暟緇勶紝S琛ㄧず鏈鍚庝竴涓潡錛屼笂闈㈤偅涓暱搴︽槸unicode
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from:http://pfmiles.github.io/blog/recently-hessian-deserialize-problem-and-thread-pool-executor-experience/
鏈榪戝伐浣滀腑閬囧埌涓涓寮傜殑闂錛氬埆浜鴻繙紼嬭皟鐢ㄦ垜浠殑緋葷粺鏆撮湶鐨勬湇鍔★紝鍚屾璋冪敤錛屽簳灞備嬌鐢╤essian鍗忚鍋氬簭鍒楀寲錛?br />璋冪敤鏂圭郴緇熸姤絀烘寚閽堬紝鍙嶅簭鍒楀寲澶辮觸錛?/p>
2013-04-18 16:52:10,308 [AvatarRuleChargeService.java:74] [com.alibaba.itbu.billing.biz.adaptor.avatar.AvatarRuleChargeService] ERROR com.alibaba.itbu.billing.biz.adaptor.crm.ChargeProxy :: avatar charge sys error com.alibaba.dubbo.rpc.RpcException: Failed to invoke the method match in the service com.alibaba.china.ruleservice.RuleService. Tried 3 times of the providers [172.22.6.83:20980, 172.22.6.80:20980, 172.22.9.76:20980] (3/3) from the registry dubbo-reg1.hst.xyi.cn.alidc.net:9090 on the consumer 172.30.118.26 using the dubbo version 2.4.9. Last error is: Failed to invoke remote method: match, provider: dubbo://172.22.6.83:20980/com.alibaba.china.ruleservice.RuleService?anyhost=true&application=billing&check=false&default.reference.filter=dragoon&dubbo=2.4.9&interface=com.alibaba.china.ruleservice.RuleService&methods=match&pid=18616&revision=1.0-SNAPSHOT&side=consumer&timeout=5000×tamp=1366275108588&version=1.0.0, cause: com.alibaba.com.caucho.hessian.io.HessianProtocolException: 'com.alibaba.china.ruleservice.RuleServiceImpl$DynamicPluginInvocationMatchedResult' could not be instantiated com.alibaba.com.caucho.hessian.io.HessianProtocolException: 'com.alibaba.china.ruleservice.RuleServiceImpl$DynamicPluginInvocationMatchedResult' could not be instantiated at com.alibaba.com.caucho.hessian.io.JavaDeserializer.instantiate(JavaDeserializer.java:275) at com.alibaba.com.caucho.hessian.io.JavaDeserializer.readObject(JavaDeserializer.java:155) at com.alibaba.com.caucho.hessian.io.SerializerFactory.readObject(SerializerFactory.java:396) at com.alibaba.com.caucho.hessian.io.Hessian2Input.readObjectInstance(Hessian2Input.java:2070) at com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:2005) at com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:1990) at com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:1538) at com.alibaba.dubbo.common.serialize.support.hessian.Hessian2ObjectInput.readObject(Hessian2ObjectInput.java:94) at com.alibaba.dubbo.common.serialize.support.hessian.Hessian2ObjectInput.readObject(Hessian2ObjectInput.java:99) at com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcResult.decode(DecodeableRpcResult.java:83) at com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcResult.decode(DecodeableRpcResult.java:109) at com.alibaba.dubbo.rpc.protocol.dubbo.DubboCodec.decodeBody(DubboCodec.java:97) at com.alibaba.dubbo.remoting.exchange.codec.ExchangeCodec.decode(ExchangeCodec.java:128) at com.alibaba.dubbo.remoting.exchange.codec.ExchangeCodec.decode(ExchangeCodec.java:87) at com.alibaba.dubbo.rpc.protocol.dubbo.DubboCountCodec.decode(DubboCountCodec.java:49) at com.alibaba.dubbo.remoting.transport.netty.NettyCodecAdapter$InternalDecoder.messageReceived(NettyCodecAdapter.java:135) at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:80) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:274) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261) at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:349) at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:280) at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:200) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:44) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.alibaba.com.caucho.hessian.io.JavaDeserializer.instantiate(JavaDeserializer.java:271) ... 28 more Caused by: java.lang.NullPointerException at com.alibaba.china.ruleservice.RuleServiceImpl$DynamicPluginInvocationMatchedResult.<init>(RuleServiceImpl.java:163) ... 33 more at com.alibaba.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:101) at com.alibaba.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:226) at com.alibaba.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:72) at com.alibaba.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:52) at com.alibaba.dubbo.common.bytecode.proxy1.match(proxy1.java) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:88) at com.alibaba.itbu.billing.framework.aop.OpenApiLogAspect.logExecuteTime(OpenApiLogAspect.java:38) at sun.reflect.GeneratedMethodAccessor199.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:627) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:616) at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:64) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy107.match(Unknown Source) at com.alibaba.itbu.billing.biz.adaptor.avatar.AvatarRuleChargeService.chargeByFactor(AvatarRuleChargeService.java:72) at com.alibaba.itbu.billing.biz.charge.times.RuleChargeByTimesProcessor.getChargeResult(RuleChargeByTimesProcessor.java:62) at com.alibaba.itbu.billing.biz.charge.times.ChargeByTimesProcessor.charge(ChargeByTimesProcessor.java:117) at com.alibaba.itbu.billing.biz.task.ChargeByIncInstantTimesTask.charge(ChargeByIncInstantTimesTask.java:174) at com.alibaba.itbu.billing.biz.task.ChargeByIncInstantTimesTask$1.run(ChargeByIncInstantTimesTask.java:109) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: com.alibaba.dubbo.remoting.RemotingException: com.alibaba.com.caucho.hessian.io.HessianProtocolException: 'com.alibaba.china.ruleservice.RuleServiceImpl$DynamicPluginInvocationMatchedResult' could not be instantiated com.alibaba.com.caucho.hessian.io.HessianProtocolException: 'com.alibaba.china.ruleservice.RuleServiceImpl$DynamicPluginInvocationMatchedResult' could not be instantiated at com.alibaba.com.caucho.hessian.io.JavaDeserializer.instantiate(JavaDeserializer.java:275) at com.alibaba.com.caucho.hessian.io.JavaDeserializer.readObject(JavaDeserializer.java:155) at com.alibaba.com.caucho.hessian.io.SerializerFactory.readObject(SerializerFactory.java:396) at com.alibaba.com.caucho.hessian.io.Hessian2Input.readObjectInstance(Hessian2Input.java:2070) at com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:2005) at com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:1990) at com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:1538) at com.alibaba.dubbo.common.serialize.support.hessian.Hessian2ObjectInput.readObject(Hessian2ObjectInput.java:94) at com.alibaba.dubbo.common.serialize.support.hessian.Hessian2ObjectInput.readObject(Hessian2ObjectInput.java:99) at com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcResult.decode(DecodeableRpcResult.java:83) at com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcResult.decode(DecodeableRpcResult.java:109) at com.alibaba.dubbo.rpc.protocol.dubbo.DubboCodec.decodeBody(DubboCodec.java:97) at com.alibaba.dubbo.remoting.exchange.codec.ExchangeCodec.decode(ExchangeCodec.java:128) at com.alibaba.dubbo.remoting.exchange.codec.ExchangeCodec.decode(ExchangeCodec.java:87) at com.alibaba.dubbo.rpc.protocol.dubbo.DubboCountCodec.decode(DubboCountCodec.java:49) at com.alibaba.dubbo.remoting.transport.netty.NettyCodecAdapter$InternalDecoder.messageReceived(NettyCodecAdapter.java:135) at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:80) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:274) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261) at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:349) at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:280) at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:200) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:44) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.alibaba.com.caucho.hessian.io.JavaDeserializer.instantiate(JavaDeserializer.java:271) ... 28 more Caused by: java.lang.NullPointerException at com.alibaba.china.ruleservice.RuleServiceImpl$DynamicPluginInvocationMatchedResult.<init>(RuleServiceImpl.java:163) ... 33 more at com.alibaba.dubbo.remoting.exchange.support.DefaultFuture.returnFromResponse(DefaultFuture.java:190) at com.alibaba.dubbo.remoting.exchange.support.DefaultFuture.get(DefaultFuture.java:110) at com.alibaba.dubbo.remoting.exchange.support.DefaultFuture.get(DefaultFuture.java:84) at com.alibaba.dubbo.rpc.protocol.dubbo.DubboInvoker.doInvoke(DubboInvoker.java:96) at com.alibaba.dubbo.rpc.protocol.AbstractInvoker.invoke(AbstractInvoker.java:144) at com.alibaba.dubbo.rpc.listener.ListenerInvokerWrapper.invoke(ListenerInvokerWrapper.java:74) at com.alibaba.dubbo.monitor.dragoon.filter.DragoonFilter.invoke0(DragoonFilter.java:82) at com.alibaba.dubbo.monitor.dragoon.filter.DragoonFilter.invoke(DragoonFilter.java:34) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91) at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91) at com.alibaba.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:53) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91) at com.alibaba.dubbo.rpc.filter.ConsumerContextFilter.invoke(ConsumerContextFilter.java:48) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91) at com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53) at com.alibaba.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:77) ... 32 more
鐪嬪埌榪欎釜鏃ュ織絎竴鍙嶆槧鏄寰?code style="margin: -1px 0px; padding: 0px 0.3em; border: 1px solid #dddddd; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 0.8em; line-height: 1.5em; font-family: Menlo, Monaco, 'Andale Mono', 'lucida console', 'Courier New', monospace; vertical-align: baseline; display: inline-block; color: #555555; border-radius: 0.4em; background: #ffffff;">RuleServiceImpl.java:163鏁版嵁閿欒錛屾姏絀烘寚閽堬紝浣嗘鏌ラ偅鍧椾唬鐮佸彂鐜伴偅涓湴鏂規牴鏈笉鍙兘鎶涚┖鎸囬拡 —— 鎵鏈夌敤鍒扮殑鍙橀噺閮芥槸new
鍑烘潵鐨勶紱
鑰屼笖錛屼緷鎹皟鐢ㄦ柟鎻愪緵鐨勯敊璇棩蹇楃殑鎶涘嚭鏃墮棿錛屾垜鍦ㄨ璋冪敤鏂圭郴緇熺殑鎵鏈夋満鍣ㄧ殑鏃ュ織閲屾煡鎵句簡涓閬嶏紝娌℃湁鍙戠幇瀵瑰簲鐨勬湇鍔$鏃ュ織錛涚収鐞嗚鏈嶅姟绔姏絀烘寚閽堬紝鏈嶅姟绔篃浼氭湁瀵瑰簲鏃ュ織錛屼絾娌℃湁浠諱綍綰跨儲…
鍥犳鍙ソ緲誨紑浜?code style="margin: -1px 0px; padding: 0px 0.3em; border: 1px solid #dddddd; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 0.8em; line-height: 1.5em; font-family: Menlo, Monaco, 'Andale Mono', 'lucida console', 'Courier New', monospace; vertical-align: baseline; display: inline-block; color: #555555; border-radius: 0.4em; background: #ffffff;">JavaDeserializer.java:275浣滄鏌ワ紝鍙戠幇鏈夎繖涔堜竴孌碉細
public JavaDeserializer(Class cl) { _type = cl; _fieldMap = getFieldMap(cl); _readResolve = getReadResolve(cl); if (_readResolve != null) { _readResolve.setAccessible(true); } Constructor []constructors = cl.getDeclaredConstructors(); long bestCost = Long.MAX_VALUE; for (int i = 0; i < constructors.length; i++) { Class []param = constructors[i].getParameterTypes(); long cost = 0; for (int j = 0; j < param.length; j++) { cost = 4 * cost; if (Object.class.equals(param[j])) cost += 1; else if (String.class.equals(param[j])) cost += 2; else if (int.class.equals(param[j])) cost += 3; else if (long.class.equals(param[j])) cost += 4; else if (param[j].isPrimitive()) cost += 5; else cost += 6; } if (cost < 0 || cost > (1 << 48)) cost = 1 << 48; cost += param.length << 48; if (cost < bestCost) { _constructor = constructors[i]; bestCost = cost; } } if (_constructor != null) { _constructor.setAccessible(true); Class []params = _constructor.getParameterTypes(); _constructorArgs = new Object[params.length]; for (int i = 0; i < params.length; i++) { _constructorArgs[i] = getParamArg(params[i]); } } }
鐪嬪畬榪欐鍚庯紝鍐嶇粨鍚堣繙紼嬭皟鐢ㄧ殑榪斿洖緇撴灉綾誨悗鎭嶇劧澶ф偀錛?br />涓婇潰榪欐浠g爜錛屾槸hessian鍦ㄥ弽搴忓垪鍖栫殑鏃跺欙紝鐢ㄤ簬鍦ㄨ鍙嶅簭鍒楀寲鐨勭被閲岄潰鎵句竴涓?#8220;寰楀垎鏈浣?#8221;鐨勬瀯閫犲嚱鏁幫紝鍙嶅簭鍒楀寲鏃朵細鍔犱互璋冪敤;
鏋勯犲嚱鏁扮殑“寰楀垎”瑙勫垯澶ц嚧鏄細鍙傛暟瓚婂皯寰楀垎瓚婁綆錛涘弬鏁頒釜鏁扮浉鍚屾椂錛屽弬鏁扮被鍨嬭秺鎺ヨ繎JDK鍐呯疆綾誨緱鍒嗚秺浣?br />鑰屾垜浠殑璋冪敤榪斿洖鐨勭被鍙湁涓涓瀯閫犲嚱鏁幫紝褰撶劧鍙湁榪欎釜鏋勯犲嚱鏁頒細琚変腑
浣嗘槸錛宧essian鍙嶅簭鍒楀寲璋冪敤琚変腑鐨勬瀯閫犲嚱鏁版椂錛屾槸榪欐牱鏉ュ垱閫犺鏋勯犲嚱鏁伴渶瑕佺殑鍙傛暟鐨勶細
protected static Object getParamArg(Class cl) { if (! cl.isPrimitive()) return null; else if (boolean.class.equals(cl)) return Boolean.FALSE; else if (byte.class.equals(cl)) return new Byte((byte) 0); else if (short.class.equals(cl)) return new Short((short) 0); else if (char.class.equals(cl)) return new Character((char) 0); else if (int.class.equals(cl)) return new Integer(0); else if (long.class.equals(cl)) return new Long(0); else if (float.class.equals(cl)) return new Float(0); else if (double.class.equals(cl)) return new Double(0); else throw new UnsupportedOperationException(); }
鍙互鐪嬪埌錛屽鏋滃弬鏁頒笉鏄?code style="margin: -1px 0px; padding: 0px 0.3em; border: 1px solid #dddddd; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 0.8em; line-height: 1.5em; font-family: Menlo, Monaco, 'Andale Mono', 'lucida console', 'Courier New', monospace; vertical-align: baseline; display: inline-block; color: #555555; border-radius: 0.4em; background: #ffffff;">primitive綾誨瀷錛屼細琚?code style="margin: -1px 0px; padding: 0px 0.3em; border: 1px solid #dddddd; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 0.8em; line-height: 1.5em; font-family: Menlo, Monaco, 'Andale Mono', 'lucida console', 'Courier New', monospace; vertical-align: baseline; display: inline-block; color: #555555; border-radius: 0.4em; background: #ffffff;">null浠f浛錛涗絾涓嶅閥鐨勬槸鎴戜滑鐨勬瀯閫犲嚱鏁板唴閮ㄥ璇ュ弬鏁拌皟鐢ㄤ簡涓涓柟娉曪紝鍥犳鎶涘嚭浜嗙┖鎸囬拡…
涔熷氨鏄榪欎釜絀烘寚閽堟槸鎶涘湪瀹㈡埛绔弽搴忓垪鍖栫殑鏃跺欒屼笉鏄湇鍔$鍐呴儴錛屽洜姝ゆ湇鍔$褰撶劧鎵句笉鍒板搴旂殑閿欒鏃ュ織浜嗭紱
瑙e喅鐨勫姙娉曚篃寰堢畝鍗曪細鍙互鏂板涓涓棤鍙傛瀯閫犲嚱鏁?鏃犲弬鏋勯犲嚱鏁拌偗瀹?#8220;寰楀垎”鏈浣庝竴瀹氫細琚変腑)錛涙垨鑰呬慨鏀逛唬鐮佷繚璇佷換鎰忓弬鏁頒負null
鐨勬椂鍊欓兘涓嶄細鍑洪棶棰?/p>
涓嬮潰榪欎釜闂鏇存湁鎰忔濓紝璇寸殑鏄?code style="margin: -1px 0px; padding: 0px 0.3em; border: 1px solid #dddddd; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 0.8em; line-height: 1.5em; font-family: Menlo, Monaco, 'Andale Mono', 'lucida console', 'Courier New', monospace; vertical-align: baseline; display: inline-block; color: #555555; border-radius: 0.4em; background: #ffffff;">ThreadPoolExecutor鐨?code style="margin: -1px 0px; padding: 0px 0.3em; border: 1px solid #dddddd; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 0.8em; line-height: 1.5em; font-family: Menlo, Monaco, 'Andale Mono', 'lucida console', 'Courier New', monospace; vertical-align: baseline; display: inline-block; color: #555555; border-radius: 0.4em; background: #ffffff;">RejectedExecutionHandler鐨勪嬌鐢細
threadPool = new ThreadPoolExecutor(5, maxThreadNum, 5, TimeUnit.MINUTES, new SynchronousQueue<Runnable>(), tf, new RejectedExecutionHandler() { public void rejectedExecution(Runnable r, ThreadPoolExecutor e) { logger.error("Ep thread pool exhausted, epId: " + id + "!!"); r.run(); } });
榪欎釜浠g爜鏄錛屽綋鎴戣繖涓猅hreadPool涓嶅鐢紝鍙堜笉鑳藉啀鏂板綰跨▼鏁扮殑鏃跺欙紝鐢辮皟鐢ㄦ柟綰跨▼鑷繁鏉ユ墽琛岃繖涓?code style="margin: -1px 0px; padding: 0px 0.3em; border: 1px solid #dddddd; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 0.8em; line-height: 1.5em; font-family: Menlo, Monaco, 'Andale Mono', 'lucida console', 'Courier New', monospace; vertical-align: baseline; display: inline-block; color: #555555; border-radius: 0.4em; background: #ffffff;">Runnable浠誨姟…
鏈潵榪欑湅涓婂幓娌′粈涔堥棶棰橈紝闂鍑哄湪榪欎釜Runnable
鏈韓鐨勫疄鐜頒笂 —— 瀹冨唴閮ㄥ皢鎵ц瀹冪殑綰跨▼block鍒頒簡涓涓猙locking queue涓婇潰錛屽綋璋冪敤鏂逛富綰跨▼浜茶嚜鏉ユ墽琛屽畠鏃訛紝浣垮緱涓葷嚎紼嬪啀涔熷洖涓嶅幓鍋氬畠鑷繁璇ュ仛鐨勪簨鎯呬簡錛屽洜姝や細鍑哄ぇ闂…
鎵浠ヨ繖涔堢湅鏉ワ紝“褰撶嚎紼嬫睜涓嶅鐢ㄥ氨璁╄皟鐢ㄦ柟綰跨▼鑷繁鏉ュ共”鐨勮繖涓瓥鐣ュ湪瀹為檯浣跨敤鏃惰闈炲父璋ㄦ厧
榪欎釜闂鏄氳繃涓涓柟渚跨殑thread dump鍒嗘瀽宸ュ叿: tda鏉ユ煡鎵劇殑錛屽洜涓哄嚭闂鐨勮繖涓簲鐢ㄦ槸涓綰跨▼紼嬪簭錛屾湁1600澶氫釜甯擱┗綰跨▼錛宼hread dump闈炲父涔嬪ぇ錛岃倝鐪肩洿鎺ョ湅寰堜笉鏂逛究錛屼絾tda鑳藉皢thread dump鍙樺緱鏇村弸濂芥槗璇伙紝鏂逛究鎺掓煡闂錛屽湪姝ゆ帹鑽愪竴涓?/p>