Major Description
During test setup / teardown of stress tests, the list of buckets is obtained via ClusterManager.getBuckets(), and then each is dropped using the same instance of ClusterManager, via removeBucket(), finally we confirm this with the hasBucket() call. Intermittently, one or more of the following exceptions are traced on the console either during the remove or the subsequent getBucket call, before the bucket appears to drop successfully (i.e. the hasBucket() returns false):
INFO: Getting buckets... [Fri Sep 23 01:26:50 UTC 2016]
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INFO: Got buckets: [beer-sample, gbook_users_0, gbook_users_1, gbook_users_2, gbook_users_3, gbook_users_4, gbook_users_5, gbook_users_6, gbook_users_7] [Fri Sep 23 01:26:51 UTC 2016]
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INFO: Dropping bucket gbook_users_0 [Fri Sep 23 01:26:51 UTC 2016]
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[cb-io-1-8] 01:26:51 WARN HttpStreamingConfigProvider:156 - Could not get config from Node, trying next in list.
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com.couchbase.client.core.CouchbaseException: Unauthorized (bucket/password invalid) - please check credentials!
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at com.couchbase.client.dcp.transport.netty.StartStreamHandler.channelRead0(StartStreamHandler.java:65)
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at com.couchbase.client.dcp.transport.netty.StartStreamHandler.channelRead0(StartStreamHandler.java:32)
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at com.couchbase.client.deps.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
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at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:366)
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at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:352)
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at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:345)
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at com.couchbase.client.deps.io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:435)
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at com.couchbase.client.deps.io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293)
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at com.couchbase.client.deps.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267)
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at com.couchbase.client.deps.io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:250)
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at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:366)
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at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:352)
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at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:345)
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at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1294)
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at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:366)
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at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:352)
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at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:911)
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at com.couchbase.client.deps.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
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at com.couchbase.client.deps.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:572)
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at com.couchbase.client.deps.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:513)
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at com.couchbase.client.deps.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:427)
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at com.couchbase.client.deps.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:399)
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at com.couchbase.client.deps.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:140)
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at com.couchbase.client.deps.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
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at java.lang.Thread.run(Thread.java:745)
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This can be intermittently reproduced by running the stress test on 0.3.0; repro instructions here