MarvinCai commented on pull request #9659:
URL: https://github.com/apache/pulsar/pull/9659#issuecomment-782830400
> Usually that error is due to the test retry policy and it hides the real
error.
>
> This fix cannot be enough to fix the flakyness.
>
> Do you have the real error in the test? That is the logs of the first run
that failed?
@eolivelli Sample stack trace is
```
org.apache.pulsar.client.admin.PulsarAdminException$ConflictException:
Namespace already exists
at
org.apache.pulsar.client.admin.internal.BaseResource.getApiException(BaseResource.java:219)
at
org.apache.pulsar.client.admin.internal.BaseResource$1.failed(BaseResource.java:129)
at
org.glassfish.jersey.client.JerseyInvocation$1.failed(JerseyInvocation.java:839)
at
org.glassfish.jersey.client.JerseyInvocation$1.completed(JerseyInvocation.java:820)
at
org.glassfish.jersey.client.ClientRuntime.processResponse(ClientRuntime.java:229)
at
org.glassfish.jersey.client.ClientRuntime.access$200(ClientRuntime.java:62)
at
org.glassfish.jersey.client.ClientRuntime$2.lambda$response$0(ClientRuntime.java:173)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
at org.glassfish.jersey.internal.Errors.process(Errors.java:244)
at
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:288)
at
org.glassfish.jersey.client.ClientRuntime$2.response(ClientRuntime.java:173)
at
org.apache.pulsar.client.admin.internal.http.AsyncHttpConnector.lambda$apply$1(AsyncHttpConnector.java:210)
at
java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774)
at
java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750)
at
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
at
java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975)
at
org.apache.pulsar.client.admin.internal.http.AsyncHttpConnector.lambda$retryOperation$3(AsyncHttpConnector.java:251)
at
java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774)
at
java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750)
at
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
at
java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975)
at
org.asynchttpclient.netty.NettyResponseFuture.loadContent(NettyResponseFuture.java:222)
at
org.asynchttpclient.netty.NettyResponseFuture.done(NettyResponseFuture.java:257)
at
org.asynchttpclient.netty.handler.AsyncHttpClientHandler.finishUpdate(AsyncHttpClientHandler.java:241)
at
org.asynchttpclient.netty.handler.HttpHandler.handleChunk(HttpHandler.java:114)
at
org.asynchttpclient.netty.handler.HttpHandler.handleRead(HttpHandler.java:143)
at
org.asynchttpclient.netty.handler.AsyncHttpClientHandler.channelRead(AsyncHttpClientHandler.java:78)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at
io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at
io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436)
at
io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:324)
at
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:296)
at
io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at
io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
at
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)
at
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)
at
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)
at
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
at
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)
Caused by: javax.ws.rs.ClientErrorException: HTTP 409 Conflict
at
org.glassfish.jersey.client.JerseyInvocation.createExceptionForFamily(JerseyInvocation.java:938)
at
org.glassfish.jersey.client.JerseyInvocation.convertToException(JerseyInvocation.java:921)
at
org.glassfish.jersey.client.JerseyInvocation.access$500(JerseyInvocation.java:77)
... 54 more
```
Make the namespace name unique for different execution/retry should able to
get rid of this exception.
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