title: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source
body: <p>I have MySQL under my Hibernate and I am also using c3p0-0.9.1 for connection pool.</p>
  
  <p>When running on my laptop (I mean locally) I have no errors.
  But when I deploy it on the server, I get this exception:</p>
  
  <pre><code>com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.
  </code></pre>
  
  <p>This is my stack trace:</p>
  
  <pre><code>    root cause
  
  com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.
   com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1319)
   com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
   com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
   com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
   com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
   org.hibernate.connection.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:78)
   org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446)
   org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)
   org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:142)
   org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:85)
   org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1463)
   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:616)
   org.hibernate.context.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:344)
   $Proxy8.beginTransaction(Unknown Source)
   com.hposg.domain.HPOSG.getItstance(HPOSG.java:56)
   com.hposg.domain.Game.&lt;init&gt;(Game.java:43)
   com.hposg.domain.GlobalGame.&lt;init&gt;(GlobalGame.java:12)
   com.hposg.domain.SiteAdmin.createNewGame(SiteAdmin.java:18)
   com.hposg.controller.struts.InitializingAction.execute(InitializingAction.java:45)
   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:616)
   com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441)
   com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:243)
   com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165)
   com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)
   org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
   com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
   com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
   com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:130)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)
   com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:165)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:179)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
   org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
   org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488)
   org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
  </code></pre>