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Handle status failures for streaming supervisors (#15174) 

* Cleanup logic

* newline

* remove whitespace

* Fix log message

* Add test class

* PR changes
This commit is contained in:
George Shiqi Wu 2023-10-30 10:21:23 -07:00 committed by GitHub
parent a27598a487
commit 3173093415
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2 changed files with 59 additions and 1 deletions
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4
server/src/main/java/org/apache/druid/segment/realtime/firehose/ChatHandlerResource.java
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@ -24,6 +24,7 @@ import com.google.common.collect.Iterables;
import com.google.inject.Inject;
import org.apache.druid.java.util.common.StringUtils;
import org.apache.druid.server.initialization.jetty.BadRequestException;
import org.apache.druid.server.initialization.jetty.ServiceUnavailableException;
import org.apache.druid.server.metrics.DataSourceTaskIdHolder;
import javax.ws.rs.Path;
@ -73,6 +74,7 @@ public class ChatHandlerResource
return handler.get();
}
throw new BadRequestException(StringUtils.format("Can't find chatHandler for handler[%s]", handlerId));
// Return HTTP 503 so SpecificTaskRetryPolicy retries in case the handler is not registered yet or has been registered before shutdown.
throw new ServiceUnavailableException(StringUtils.format("Can't find chatHandler for handler[%s]", handlerId));
}
}

56
server/src/test/java/org/apache/druid/segment/realtime/firehose/ChatHandlerResourceTest.java Normal file
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@ -0,0 +1,56 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.druid.segment.realtime.firehose;
import com.google.common.base.Optional;
import org.apache.druid.server.initialization.jetty.ServiceUnavailableException;
import org.apache.druid.server.metrics.DataSourceTaskIdHolder;
import org.easymock.EasyMock;
import org.easymock.EasyMockRunner;
import org.easymock.EasyMockSupport;
import org.easymock.Mock;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(EasyMockRunner.class)
public class ChatHandlerResourceTest extends EasyMockSupport
{
@Mock
ChatHandlerProvider handlers;
@Mock
DataSourceTaskIdHolder dataSourceTaskIdHolder;
ChatHandlerResource chatHandlerResource;
@Test
public void test_noHandlerFound()
{
String handlerId = "handlerId";
EasyMock.expect(dataSourceTaskIdHolder.getTaskId()).andReturn(null);
EasyMock.expect(handlers.get(handlerId)).andReturn(Optional.absent());
replayAll();
chatHandlerResource = new ChatHandlerResource(handlers, dataSourceTaskIdHolder);
Assert.assertThrows(ServiceUnavailableException.class, () -> chatHandlerResource.doTaskChat(handlerId, null));
verifyAll();
}
}