使用studio进行nc开发启动客户端出现 java.lang.OutOfMemoryError: Java heap space 异常



使用studio进行nc开发过程中，启动客户端或者查询较多数据时，出现



java.lang.OutOfMemoryError: Java heap space 异常，具体信息如下所示

Exception in thread "Thread-24" java.lang.OutOfMemoryError: Java heap space

    at java.lang.String.toLowerCase(String.java:2228)

    at java.lang.String.toLowerCase(String.java:2296)

    at nc.jdbc.framework.processor.ProcessorUtils.toMap(ProcessorUtils.java:82)

    at nc.jdbc.framework.processor.MapListProcessor.processResultSet(MapListProcessor.java:26)

    at nc.jdbc.framework.processor.BaseProcessor.handleResultSet(BaseProcessor.java:20)

    at nc.jdbc.framework.JdbcSession.executeQuery(JdbcSession.java:309)

    at nc.bs.dao.BaseDAO.executeQuery(BaseDAO.java:69)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

    at java.lang.reflect.Method.invoke(Method.java:592)

    at nc.bs.framework.comn.serv.ServiceDispatcher.invokeBeanMethod(ServiceDispatcher.java:351)

    at nc.bs.framework.comn.serv.ServiceDispatcher.execCall(ServiceDispatcher.java:160)

    at nc.bs.framework.comn.serv.CommonServletDispatcher.doGet(CommonServletDispatcher.java:75)

    at nc.bs.framework.comn.serv.CommonServletDispatcher.doPost(CommonServletDispatcher.java:95)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:767)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:860)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)

    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)

    at nc.bs.framework.server.LoggerServletFilter.doFilter(LoggerServletFilter.java:34)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)

    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)

    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)

    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)

    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)

    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)

    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)

    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)

    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)

    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)

    at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)

    at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)

解决方案如下：

1. 给jre加上虚拟机参数

                                 

2、修改debug配置

                                 

                                            

分别给服务器端和客户端的 aruguments页签中的VM arguments加上如下的参数：

-Xms256m -Xmx800m -XX:MaxNewSize=256m -XX:MaxPermSize=256m

-Xms256M -Xmx512M