Error Pool.connectionpool - Unable To Create Initial Connections Of Pool
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Unable To Create Initial Connections Of Pool Postgresql
about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack unable to create initial connections of pool oracle Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up SEVERE: Unable to create initial connections of pool - tomcat 7 with context.xml file up vote 3 down vote favorite I tried to run project on tomcat 7.0.52 and initialize to DB through context.xml file. But it throws bunch of exceptions, I couldn't figure out what is wrong there. Here is console output: java.sql.SQLException: com.mysql.jdbc.Driver at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:254) at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:182) at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:701) at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:635) at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:486) at org.apache.tomcat.jdbc.pool.ConnectionPool.
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Unable To Create Initial Connections Of Pool Mysql
questions you might have Meta Discuss the workings and policies o.a.tomcat.jdbc.pool.connectionpool : unable to create initial connections of pool. of this site About Us Learn more about Stack Overflow the company Business Learn more about mysql binary jar hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow http://stackoverflow.com/questions/22155837/severe-unable-to-create-initial-connections-of-pool-tomcat-7-with-context-xml is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up org.apache.tomcat.jdbc.pool.ConnectionPool - Unable to create initial connections of pool with yml file up vote 0 down vote favorite sorry for the long error log. I'm at my wits end, im http://stackoverflow.com/questions/35754791/org-apache-tomcat-jdbc-pool-connectionpool-unable-to-create-initial-connection upgrading an old app from 2.2.2 to 3.1.2 and i really need help. tried to apply datasource.groovy to application.yml hibernate: cache: queries: false use_second_level_cache: true use_query_cache: false region.factory_class: 'org.hibernate.cache.ehcache.EhCacheRegionFactory' dataSource: pooled: true jmxExport: true driverClassName: com.mysql.jdbc.Driver dialect: org.hibernate.dialect.MySQL5InnoDBDialect username: root password: root environments: development: dataSource: dbCreate: update url: jdbc:h2:mem:devDb;MVCC=TRUE;LOCK_TIMEOUT=10000 test: dataSource: driverClassName: org.h2.Driver username: sa password: dbCreate: update url: jdbc:h2:mem:testDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE production: dataSource: dbCreate: update url: jdbc:mysql://localhost:3306/db pooled: true properties: jmxEnabled: true initialSize: 5 maxActive: 50 minIdle: 5 maxIdle: 25 maxWait: 10000 maxAge: 600000 timeBetweenEvictionRunsMillis: 5000 minEvictableIdleTimeMillis: 60000 validationQuery: SELECT 1 validationQueryTimeout: 3 validationInterval: 15000 testOnBorrow: true testWhileIdle: true testOnReturn: false jdbcInterceptors: ConnectionState defaultTransactionIsolation: 2 # TRANSACTION_READ_COMMITTED after doing so, run-app doesn't work and these are what appeared amongst others. any help will be greatly appreciated. This is what's been happening so far ERROR org.apache.tomcat.jdbc.pool.ConnectionPool - Unable to create initial connections of pool. java.sql.SQLException: Unable to load class: com.mysql.jdbc.Driver from ClassLoader:sun.misc.Launcher$AppClassLoader@14dad5dc;ClassLoader:sun.misc.Launcher$AppClassLoader@14dad5dc at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:280) ~[tomcat-jdbc-8.0.30.jar:na] at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConn
Sign in Pricing Blog Support Search GitHub This repository Watch https://github.com/burtbeckwith/grails-jdbc-pool/issues/2 3 Star 0 Fork 1 burtbeckwith/grails-jdbc-pool Code Issues 1 https://github.com/GMOD/Apollo/issues/286 Pull requests 0 Projects 0 Pulse Graphs New issue issues with grails-jdbc-pool in "grails run-war" mode #2 Open OlafFreyer opened this Issue Jun 3, 2013 · 8 comments Projects None yet Labels None yet Milestone unable to No milestone Assignees No one assigned 6 participants OlafFreyer commented Jun 3, 2013 Even though grails-jdbc-pool works just fine in "grails run-app" mode it seems to cause issues in "grails run-war" mode. It basically looks like classloader issues. Steps to reproduce: 1) grails create-app jdbcPoolProblems unable to create 2) add 'compile ":jdbc-pool:7.0.37"' to plugins block in BuildConfig.groovy 3) grails run-war Caused by: org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is java.sql.SQLException: org.h2.Driver ... 5 more Caused by: java.sql.SQLException: org.h2.Driver ... 5 more Caused by: java.lang.ClassNotFoundException: org.h2.Driver jgritman commented Jul 9, 2013 I'm seeing this with Grails 2.2.3 and MySQL as well. dscherger commented Jul 10, 2013 Same here with grails 2.2.0 and MySql with runtime 'mysql:mysql-connector-java:5.1.21' davydotcom commented Oct 16, 2013 any solution to this? davydotcom commented Oct 16, 2013 Issue arises in tomcat 7.0.25 and java 1.7.0_02 with mysql connector cannot find com.mysql.jdbc.Driver Robert-F commented Feb 4, 2014 I can confirm this bug with grails 2.2.0, ":jdbc-pool:7.0.47" and "postgresql:postgresql:8.4-702.jdbc4". 2014-02-04 22:44:50,658 [localhost-startStop-1] ERROR pool.ConnectionPool - Unable to create initial connections of pool. java.sql.SQLException: org.postgresql.Driver at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(
Sign in Pricing Blog Support Search GitHub This repository Watch 32 Star 24 Fork 26 GMOD/Apollo Code Issues 293 Pull requests 3 Projects 1 Pulse Graphs New issue Wrong database parameters used in production mode #286 Closed cmdcolin opened this Issue Apr 16, 2015 · 17 comments Projects None yet Labels Important Milestone 2.0.0-RC1 Assignees cmdcolin 3 participants cmdcolin commented Apr 16, 2015 I was trying to test out production mode and noticed that it seemed to be using H2 despite what settings I gave it via apollo-config.groovy file. For example, using the sample-mysql-apollo-config.groovy i get this weird error that says it is using the mysql driver but accessing a H2 connection string: 16-Apr-2015 18:13:47.701 SEVERE [localhost-startStop-2] org.apache.tomcat.jdbc.pool.ConnectionPool.init Unable to create initial connections of pool. java.sql.SQLException: Driver:com.mysql.jdbc.Driver@4502324d returned null for URL:jdbc:h2:prodDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:296) at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:182) at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:701) at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:635) at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:486) at org.apache.tomcat.jdbc.pool.ConnectionPool.