shmget() failed in Java extension: rc -1 errno 28.

vamsinuthalapat — Thu, 23 Jan 2025 15:02:30 GMT

Hi Everyone,

We are getting below error while executing hadoop libname statements through schedule manager and Enterprise guide applications.

shmget() failed in Java extension: rc -1 errno 28.
23 LIBNAME RetailH HADOOP DBCREATE_TABLE_OPTS='STORED AS PARQUET' DBMAX_TEXT=4000
24 server = "hiveprod.rgbk.com" DBCREATE_TABLE_OPTS = "tblproperties ('transactional'='false')"
25 URI="jdbc:hive2://hiveprod.rgbk.com:10000/DM_RETAIL;ssl=true;principal=hive/_HOST@CORP.RGBK.COM;AuthMech=1;
25 ! KrbRealm=CORP.RGBK.COM;KrbHostFQDN=hiveprod.rgbk.com;KrbServiceName=hive;"
26 subchar=QUESTIONMARK;
ERROR: Error allocating environment: Unable to load extension: (tkjava)Unable to start the Java VM.
ERROR: Error in the LIBNAME statement.

Could you guide me on troubleshooting process, thanks.

Re: shmget() failed in Java extension: rc -1 errno 28.

gwootton — Tue, 28 Jan 2025 17:16:28 GMT

It looks like the system function shmget is used to acquire shared memory. The error 28, 'No space left on device' means that all the memory IDs are in use or there isn't any more shared memory to allocate.

https://man7.org/linux/man-pages/man2/shmget.2.html

topic shmget() failed in Java extension: rc -1 errno 28. in Administration and Deployment

shmget() failed in Java extension: rc -1 errno 28.

Re: shmget() failed in Java extension: rc -1 errno 28.