Elasticsearch startup fails if Bitbucket Server docker container is started as "root"
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Problem
When a Bitbucket Server running as a docker container is started as root user (by modifying RUN_USER in Bitbucket Dockerfile), embedded Elasticsearch process fails to start.
The following appears in the atlassian-bitbucket.log
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2021-03-17 02:58:15,188 DEBUG [pool-25-thread-1] c.a.b.i.s.c.s.t.DefaultElasticsearchConnectionTester Testing connection with Elasticsearch failed due to exception:
java.util.concurrent.CompletionException: java.net.ConnectException: Connection refused
at java.util.concurrent.CompletableFuture.encodeThrowable(Unknown Source)
at java.util.concurrent.CompletableFuture.completeThrowable(Unknown Source)
at java.util.concurrent.CompletableFuture.uniApply(Unknown Source)
at java.util.concurrent.CompletableFuture$UniApply.tryFire(Unknown Source)
at java.util.concurrent.CompletableFuture.postComplete(Unknown Source)
at java.util.concurrent.CompletableFuture.completeExceptionally(Unknown Source)
at com.atlassian.elasticsearch.client.apache.httpclient.ApacheRequestExecutor$1.failed(ApacheRequestExecutor.java:155)
at org.apache.http.concurrent.BasicFuture.failed(BasicFuture.java:138)
at org.apache.http.impl.nio.client.AbstractClientExchangeHandler.failed(AbstractClientExchangeHandler.java:414)
at org.apache.http.impl.nio.client.AbstractClientExchangeHandler.connectionRequestFailed(AbstractClientExchangeHandler.java:330)
at org.apache.http.impl.nio.client.AbstractClientExchangeHandler.access$100(AbstractClientExchangeHandler.java:61)
at org.apache.http.impl.nio.client.AbstractClientExchangeHandler$1.failed(AbstractClientExchangeHandler.java:373)
at org.apache.http.concurrent.BasicFuture.failed(BasicFuture.java:138)
at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager$InternalPoolEntryCallback.failed(PoolingNHttpClientConnectionManager.java:503)
at org.apache.http.concurrent.BasicFuture.failed(BasicFuture.java:138)
at org.apache.http.nio.pool.RouteSpecificPool.failed(RouteSpecificPool.java:163)
at org.apache.http.nio.pool.AbstractNIOConnPool.requestFailed(AbstractNIOConnPool.java:542)
at org.apache.http.nio.pool.AbstractNIOConnPool$InternalSessionRequestCallback.failed(AbstractNIOConnPool.java:817)
at org.apache.http.impl.nio.reactor.SessionRequestImpl.failed(SessionRequestImpl.java:160)
at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvent(DefaultConnectingIOReactor.java:173)
at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvents(DefaultConnectingIOReactor.java:145)
at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:348)
at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(PoolingNHttpClientConnectionManager.java:191)
at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$1.run(CloseableHttpAsyncClientBase.java:64)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(Unknown Source)
at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvent(DefaultConnectingIOReactor.java:171)
... 5 common frames omittedDiagnosis
Environment
docker
Embedded Elasticsearch
Cause
Elasticsearch cannot be started as root.
Solution
Workaround
Modifle Bitbucket Dockerfile (or revert to its default version) and rebuild Bitbucket Server docker image.
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