原来用的nodejs的sdk，现在要换成java的sdk，底层docker容器也都启动成功了
但在IDEA中运行End2endIT例子的时候报了
Sending instantiateProposalRequest to all peers with arguments: a and b set to 100 and 200 respectively
2018-09-30 00:30:16,755 main ERROR Channel:2768 - Sending proposal to peer1.org1.example.com failed because of: gRPC failure=Status{code=UNAVAILABLE, description=Network closed for unknown reason, cause=null}
java.lang.Exception: io.grpc.StatusRuntimeException: UNAVAILABLE: Network closed for unknown reason
at org.hyperledger.fabric.sdk.Channel.sendProposalToPeers(Channel.java:2768)
at org.hyperledger.fabric.sdk.Channel.sendInstantiationProposal(Channel.java:1540)
at org.hyperledger.fabric.sdkintegration.End2endIT.runChannel(End2endIT.java:492)
at org.hyperledger.fabric.sdkintegration.End2endIT.runFabricTest(End2endIT.java:208)
at org.hyperledger.fabric.sdkintegration.End2endIT.setup(End2endIT.java:189)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: io.grpc.StatusRuntimeException: UNAVAILABLE: Network closed for unknown reason
at io.grpc.Status.asRuntimeException(Status.java:526)
at io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:467)
at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:37)
at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
at io.grpc.internal.CensusStatsModule$StatsClientInterceptor$1$1.onClose(CensusStatsModule.java:684)
at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:37)
at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
at io.grpc.internal.CensusTracingModule$TracingClientInterceptor$1$1.onClose(CensusTracingModule.java:391)
at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:471)
at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:63)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:553)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:474)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:591)
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
2018-09-30 00:30:16,758 main ERROR Channel:2768 - Sending proposal to peer0.org1.example.com failed because of: gRPC failure=Status{code=UNAVAILABLE, description=Network closed for unknown reason, cause=null}
java.lang.Exception: io.grpc.StatusRuntimeException: UNAVAILABLE: Network closed for unknown reason
at org.hyperledger.fabric.sdk.Channel.sendProposalToPeers(Channel.java:2768)
at org.hyperledger.fabric.sdk.Channel.sendInstantiationProposal(Channel.java:1540)
at org.hyperledger.fabric.sdkintegration.End2endIT.runChannel(End2endIT.java:492)
at org.hyperledger.fabric.sdkintegration.End2endIT.runFabricTest(End2endIT.java:208)
at org.hyperledger.fabric.sdkintegration.End2endIT.setup(End2endIT.java:189)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: io.grpc.StatusRuntimeException: UNAVAILABLE: Network closed for unknown reason
at io.grpc.Status.asRuntimeException(Status.java:526)
at io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:467)
at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:37)
at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
at io.grpc.internal.CensusStatsModule$StatsClientInterceptor$1$1.onClose(CensusStatsModule.java:684)
at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:37)
at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
at io.grpc.internal.CensusTracingModule$TracingClientInterceptor$1$1.onClose(CensusTracingModule.java:391)
at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:471)
at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:63)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:553)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:474)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:591)
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Received 2 instantiate proposal responses. Successful+verified: 0 . Failed: 2
Not enough endorsers for instantiate :0endorser failed with Sending proposal to peer1.org1.example.com failed because of: gRPC failure=Status{code=UNAVAILABLE, description=Network closed for unknown reason, cause=null}, on peerPeer peer1.org1.example.com url: grpc://47.104.249.104:7056
Not enough endorsers for instantiate :0endorser failed with Sending proposal to peer0.org1.example.com failed because of: gRPC failure=Status{code=UNAVAILABLE, description=Network closed for unknown reason, cause=null}, on peerPeer peer0.org1.example.com url: grpc://47.104.249.104:7051
java.lang.AssertionError: Not enough endorsers for instantiate :0endorser failed with Sending proposal to peer1.org1.example.com failed because of: gRPC failure=Status{code=UNAVAILABLE, description=Network closed for unknown reason, cause=null}. Was verified:false
at org.junit.Assert.fail(Assert.java:88)
at org.hyperledger.fabric.sdkintegration.End2endIT.runChannel(End2endIT.java:512)
at org.hyperledger.fabric.sdkintegration.End2endIT.runFabricTest(End2endIT.java:208)
at org.hyperledger.fabric.sdkintegration.End2endIT.setup(End2endIT.java:189)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
查了半天也没弄清啥原因，望各位大佬不吝赐教！！！
