java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30000ms.

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    This is a bug in version 4.1.9 and it's fixed from version 4.3.0beta and beyond.

Solutions on the web

via GitHub by rizagp
, 1 year ago
HikariPool-1 - Connection is not available, request timed out after 30000ms.
via GitHub by dloy
, 2 years ago
HikariPool-0 - Connection is not available, request timed out after 10011ms.
via GitHub by doom369
, 2 years ago
HikariPool-0 - Connection is not available, request timed out after 15002ms.
via Stack Overflow by Fabian S.
, 2 years ago
selfstanding-pool - Connection is not available, request timed out after 30000ms.
via Google Groups by Matt D, 1 year ago
Connection is not available, request timed out after 56765ms.
java.sql.SQLException: ORA-04031: unable to allocate 80 bytes of shared memory ("large pool","unknown object","session heap","dbgdInitEventGrp: eventGrpI")	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:447)	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:389)	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:382)	at oracle.jdbc.driver.T4CTTIoauthenticate.processError(T4CTTIoauthenticate.java:444)	at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:513)	at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:227)	at oracle.jdbc.driver.T4CTTIoauthenticate.doOSESSKEY(T4CTTIoauthenticate.java:407)	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:416)	at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:553)	at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:254)	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:528)	at oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:280)	at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:207)	at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:157)	at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:316)	at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:173)	at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:443)	at com.zaxxer.hikari.pool.HikariPool.access$500(HikariPool.java:66)	at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:568)	at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:561)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)