Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement ->

Posted 2023-04-19

Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, dataSourceName -> 1hge15w92g9y0hbdlez0v|19de5b5, debugUnreturnedConnectionStackTraces -> false, description -> null, driverClass -> com.mysql.jdbc.Driver, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1hge15w92g9y0hbdlez0v|19de5b5, idleConnectionTestPeriod -> 0, initialPoolSize -> 3, jdbcUrl -> jdbc:mysql://localhost:3306/macdonald?useUnicode=true&characterEncoding=UTF-8, lastAcquisitionFailureDefaultUser -> null, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 0, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 15, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 3, numHelperThreads -> 3, numThreadsAwaitingCheckoutDefaultUser -> 0, preferredTestQuery -> null, properties -> user=******, password=******, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false ]
请问下这是什么错？一般是什么原因导致的？求教解决方案

参考技术A 这好象没错误，只是控制台上显示的初始化c3p0的信息而已追问

提示tomcat超时

追答

不是这个地方引起来的应该，出错的地方应该是红色的，或蓝色的地方

参考技术B 不是错误，只是c3p0的调试信息而已追问

提示tomcat超时

追答

把你错误的信息发上来吧

追问

已经解决了，谢谢你

已经解决了，还是谢谢你

本回答被提问者采纳

hbase报错之 Master is initializing

报错日志

ERROR: org.apache.hadoop.hbase.PleaseHoldException: Master is initializing
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:2977)
        at org.apache.hadoop.hbase.master.HMaster.disableTable(HMaster.java:2524)
        at org.apache.hadoop.hbase.master.MasterRpcServices.disableTable(MasterRpcServices.java:726)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:413)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130)
        at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
        at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)

原因分析

解决

<!--进入zk客户端-->
ZK_HOME/zkCli.sh
<!--清空hbase-->
rmr /hbase
<!--重启hbase-->
stop-hbase.sh 
start-hbase.sh 

验证

<!--进入shell命令-->
hbase shell
<!--查看表-->
list

<!--disable表-->
disable ‘test‘