Yesha Vora created YARN-8140:
--------------------------------
Summary: Improve log message when launch cmd is ran for stopped
yarn service
Key: YARN-8140
URL: https://issues.apache.org/jira/browse/YARN-8140
Project: Hadoop YARN
Issue Type: Improvement
Components: yarn-native-services
Affects Versions: 3.1.0
Reporter: Yesha Vora
Steps:
1) Launch sleeper app
{code}
RUNNING: /usr/hdp/current/hadoop-yarn-client/bin/yarn app -launch
sleeper2-duplicate-app-stopped
/usr/hdp/3.0.0.0-xxx/hadoop-yarn/yarn-service-examples/sleeper/sleeper.json
WARNING: YARN_LOG_DIR has been replaced by HADOOP_LOG_DIR. Using value of
YARN_LOG_DIR.
WARNING: YARN_LOGFILE has been replaced by HADOOP_LOGFILE. Using value of
YARN_LOGFILE.
WARNING: YARN_PID_DIR has been replaced by HADOOP_PID_DIR. Using value of
YARN_PID_DIR.
WARNING: YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.
18/04/10 21:31:01 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
18/04/10 21:31:01 INFO client.AHSProxy: Connecting to Application History
server at xxxxxx:10200
18/04/10 21:31:01 INFO client.AHSProxy: Connecting to Application History
server at xxxxxx:10200
18/04/10 21:31:01 INFO client.ApiServiceClient: Loading service definition from
local FS:
/usr/hdp/3.0.0.0-xxx/hadoop-yarn/yarn-service-examples/sleeper/sleeper.json
18/04/10 21:31:03 INFO util.log: Logging initialized @2818ms
18/04/10 21:31:10 INFO client.ApiServiceClient: Application ID:
application_1523387473707_0007
Exit Code: 0\{code}
2) Stop the application
{code}
RUNNING: /usr/hdp/current/hadoop-yarn-client/bin/yarn app -stop
sleeper2-duplicate-app-stopped
WARNING: YARN_LOG_DIR has been replaced by HADOOP_LOG_DIR. Using value of
YARN_LOG_DIR.
WARNING: YARN_LOGFILE has been replaced by HADOOP_LOGFILE. Using value of
YARN_LOGFILE.
WARNING: YARN_PID_DIR has been replaced by HADOOP_PID_DIR. Using value of
YARN_PID_DIR.
WARNING: YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.
18/04/10 21:31:14 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
18/04/10 21:31:15 INFO client.AHSProxy: Connecting to Application History
server at xxxxxx:10200
18/04/10 21:31:15 INFO client.AHSProxy: Connecting to Application History
server at xxxxxx:10200
18/04/10 21:31:16 INFO util.log: Logging initialized @3034ms
18/04/10 21:31:17 INFO client.ApiServiceClient: Successfully stopped service
sleeper2-duplicate-app-stopped
Exit Code: 0\{code}
3) Launch the application with same name
{code}
RUNNING: /usr/hdp/current/hadoop-yarn-client/bin/yarn app -launch
sleeper2-duplicate-app-stopped
/usr/hdp/3.0.0.0-xxx/hadoop-yarn/yarn-service-examples/sleeper/sleeper.json
WARNING: YARN_LOG_DIR has been replaced by HADOOP_LOG_DIR. Using value of
YARN_LOG_DIR.
WARNING: YARN_LOGFILE has been replaced by HADOOP_LOGFILE. Using value of
YARN_LOGFILE.
WARNING: YARN_PID_DIR has been replaced by HADOOP_PID_DIR. Using value of
YARN_PID_DIR.
WARNING: YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.
18/04/10 21:31:19 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
18/04/10 21:31:19 INFO client.AHSProxy: Connecting to Application History
server at xxxxxx:10200
18/04/10 21:31:19 INFO client.AHSProxy: Connecting to Application History
server at xxxxxx:10200
18/04/10 21:31:19 INFO client.ApiServiceClient: Loading service definition from
local FS:
/usr/hdp/3.0.0.0-xxx/hadoop-yarn/yarn-service-examples/sleeper/sleeper.json
18/04/10 21:31:22 INFO util.log: Logging initialized @4456ms
18/04/10 21:31:22 ERROR client.ApiServiceClient: Service Instance dir already
exists:
hdfs://mycluster/user/hrt_qa/.yarn/services/sleeper2-duplicate-app-stopped/sleeper2-duplicate-app-stopped.json
Exit Code: 56
{code}
Here, launch cmd fails with "Service Instance dir already exists:
hdfs://mycluster/user/hrt_qa/.yarn/services/sleeper2-duplicate-app-stopped/sleeper2-duplicate-app-stopped.json".
The log message should be more meaningful. It should return that
"sleeper2-duplicate-app-stopped is in stopped state".
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