https://bz.apache.org/bugzilla/show_bug.cgi?id=68092
Bug ID: 68092
Summary: Failed to connect database after upgrading to
tomcat-8.5.94 in linux
Product: Tomcat 8
Version: 8.5.94
Hardware: All
OS: Linux
Status: NEW
Severity: critical
Priority: P2
Component: Connectors
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ----
After upgrading to tomcat-8.5.94, connect database failed, error log as
following:
Error querying database. Cause:
org.apache.tomcat.jdbc.pool.PoolExhaustedException:
[DefaultQuartzScheduler_Worker-4] Timeout: Pool empty. Unable to fetch a
connection in 10 seconds, none available[size:80; busy:80; idle:0;
lastwait:10000].
after check, we found tomcat-jdbc.jar file size is different in tomcat-8.5.93
and tomcat-8.5.94.
tomcat-jdbc.jar has 149414 byte in tomcat-8.5.94 but has 298753 byte in
tomcat-8.5.94.
Then we copy tomcat-jdbc.jar from tomcat-8.5.93 to overwrite tomcat-8.5.94,
then it works.
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