本地测试远程数据库没问题,部署到tomcat服务器上,mysql数据库就链接不上
亚非 2016-05-25 04:12:23 本地用的myeclipse8.5和tomcat7.0测试的,连接远程数据库正常,但打成War包,部署到服务器上链接mysql就报错。
打开首页正常,但点击登录请求就报下面的错。
bin目录下有mysql-connector-java-commercial-5.1.31-bin.jar包
DataConnection.properties
配置如下
### C3P0 Connection Pool
#初始化时获取三个连接,取值应在minPoolSize与maxPoolSize之间。Default: 3
c3p0.initialPoolSize=3
#最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0
c3p0.maxIdleTime=60
#当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3
c3p0.acquireIncrement=3
#从数据库获取新连接失败后重复尝试的次数。Default: 30
c3p0.acquireRetryAttempts=30
#两次连接中间隔时间,单位毫秒。Default: 1000
c3p0.acquireRetryDelay=1000
#每60秒检查所有连接池中的空闲连接 Default: 0
c3p0.idleConnectionTestPeriod=60
#连接关闭时默认将所有未提交的操作回滚 Default: false
c3p0.autoCommitOnClose=false
#JDBC的标准参数,用以控制数据源内加载的PreparedStatements数量。但由于预缓存的statements
#属于单个connection而不是整个连接池。所以设置这个参数需要考虑到多方面的因素。
#如果maxStatements与maxStatementsPerConnection均为0,则缓存被关闭。Default: 0
c3p0.maxStatements=100
#maxStatementsPerConnection定义了连接池内单个连接所拥有的最大缓存statements数。Default: 0
c3p0.maxStatementsPerConnection=0
#当连接池用完时客户端调用getConnection()后等待获取新连接的时间,超时后将抛出 SQLException,如设为0则无限期等待。单位毫秒。Default: 0
c3p0.checkoutTimeout=10000
#c3p0是异步操作的,缓慢的JDBC操作通过帮助进程完成。扩展这些操作可以有效的提升性能
#通过多线程实现多个操作同时被执行。Default: 3
c3p0.numHelperThreads=3
##CRM DataSource
#连接池中保留的最大连接数。Default: 15
crm.c3p0.maxPoolSize=15
#连接池中保留的最小连接数
crm.c3p0.minPoolSize=2
##set JDBC tuning boolean value,true=opened,false=closed
JDBC_TUNING=true
##set MAX rows return from db when used jdbc
JDBC_MAX_ROW=10000
#the default database class
DEFAULT_DB_CLASS=oracle
#######################################部署应用时需要修改以下参数#################################################
#需要修改数据库连接地址
crm.url=jdbc:mysql://xxxx:3306/test #此处测试时写的远程IP,部署时写IP或localhost或局网IP都一样错
crm.driverClassName=com.mysql.jdbc.Driver
crm.username=xxxx
crm.password=xxxx
************************************下面是报错内容************************************
<html><head><title>Apache Tomcat/7.0.62 - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 500 - Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!</h1><HR size="1" noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> <u>Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!</u></p><p><b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p><p><b>exception</b> <pre>org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!
org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:241)
org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:372)
org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:417)
org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:255)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
com.sun.proxy.$Proxy6.loginCheck(Unknown Source)
com.chuanglian.sm.action.LoginAction.loginCheck(LoginAction.java:53)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:606)
com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:450)
com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:289)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:252)
org.apache.struts2.interceptor.DeprecationInterceptor.intercept(DeprecationInterceptor.java:41)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:167)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)
org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:254)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:254)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:73)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:252)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)