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08-24-2017
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11-14-2017
09:16 PM
Hello, Is it possible to state the order and underlying dependancies while submitting an ambari blueprint ? like for eg: we want zookeeper to be installed first , we don't want certain components to be installed if underlying dependancies are not installed etc .
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11-14-2017
07:01 PM
Hello , I had a 5 node HDP cluster running with embedded postgress running. Over the weekend , the server patching activity caused autoreboot on all the 5 nodes and now all the components are down. It would be helpful to know: 1) How can i recover the cluster back to have all the components functioning again ? 2) I tried starting postgress and then start ambari-server manually so that i can resubmit the blueprints if required to reinstall other components but ambari while starting up is throwing the below error(I am using openJDK): Looking for available JDKs at /usr/jdk64
Found: []
ERROR: Exiting with exit code 1.
REASON: No JDK found, please run the "ambari-server setup" command to install a JDK automatically or install any JDK manually to /usr/jdk64 3) How do setup the components (HDFS , YARN , Ranger , Zeppelin , HIVE)to autorestart so that we can survive any VM reboots ?
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10-17-2017
10:23 PM
Hi Team , I am getting the below error while starting up the YARN resource manager. Service ResourceManager failed in state STARTED; cause: org.apache.hadoop.service.ServiceStateException: com.google.protobuf.InvalidProtocolBufferException: Could not obtain block: BP-336345988-xx.xx.xxx-1503962015086:blk_1073741849_1026 file=/system/yarn/node-labels/nodelabel.mirror
org.apache.hadoop.service.ServiceStateException: com.google.protobuf.InvalidProtocolBufferException: Any hints on what to look for or fix it would be helpful
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10-16-2017
11:16 PM
Hi Team, We are trying to bring up the HDP cluster via ambari. For some reason zookeeper doesn't come up. It is throwing the below log in /var/log/zookeeper/ "Error occurred during initialization of VM
Too small initial heap" Can you help on Probable debug steps. Thanks
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