我从数据库（表911830中的记录）中获取数据并将其添加到 JR 报告中，以便1000条记录正常工作。当我超过或者一段时间将Java堆空间内存错误作为此问题的标题时，它与Java堆内存有关，但我将其增加为3Gb（Xms3072m-Xmx3072m）。但仍然得到相同的错误
我的系统配置如下：
控制台错误::
Aug 26, 2012 7:11:14 AM org.apache.catalina.core.ApplicationDispatcher invoke
SEVERE: Servlet.service() for servlet `enter code here`jsp threw exception
java.lang.OutOfMemoryError: Java heap space
at com.opensymphony.module.sitemesh.html.util.CharArray.grow(CharArray.java:267)
at com.opensymphony.module.sitemesh.html.util.CharArray.append(CharArray.java:117)
at com.opensymphony.module.sitemesh.html.tokenizer.Parser$ReusableToken.writeTo(Parser.java:343)
at com.opensymphony.module.sitemesh.html.State.handleText(State.java:64)
at com.opensymphony.module.sitemesh.html.HTMLProcessor$2.text(HTMLProcessor.java:103)
at com.opensymphony.module.sitemesh.html.tokenizer.Parser.parsedText(Parser.java:295)
at com.opensymphony.module.sitemesh.html.tokenizer.Parser.start(Parser.java:109)
at com.opensymphony.module.sitemesh.html.tokenizer.TagTokenizer.start(TagTokenizer.java:33)
at com.opensymphony.module.sitemesh.html.HTMLProcessor.process(HTMLProcessor.java:90)
at com.opensymphony.module.sitemesh.parser.HTMLPageParser.parse(HTMLPageParser.java:52)
at com.opensymphony.sitemesh.compatability.PageParser2ContentProcessor.build(PageParser2ContentProcessor.java:51)
at com.opensymphony.sitemesh.webapp.ContentBufferingResponse.getContent(ContentBufferingResponse.java:54)
at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:137)
at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:143)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1063)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:801)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)
Aug 26, 2012 7:11:14 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet action threw exception
java.lang.OutOfMemoryError: Java heap space
at com.opensymphony.module.sitemesh.html.util.CharArray.grow(CharArray.java:267)
at com.opensymphony.module.sitemesh.html.util.CharArray.append(CharArray.java:117)
at com.opensymphony.module.sitemesh.html.tokenizer.Parser$ReusableToken.writeTo(Parser.java:343)
at com.opensymphony.module.sitemesh.html.State.handleText(State.java:64)
at com.opensymphony.module.sitemesh.html.HTMLProcessor$2.text(HTMLProcessor.java:103)
at com.opensymphony.module.sitemesh.html.tokenizer.Parser.parsedText(Parser.java:295)
at com.opensymphony.module.sitemesh.html.tokenizer.Parser.start(Parser.java:109)
at com.opensymphony.module.sitemesh.html.tokenizer.TagTokenizer.start(TagTokenizer.java:33)
at com.opensymphony.module.sitemesh.html.HTMLProcessor.process(HTMLProcessor.java:90)
at com.opensymphony.module.sitemesh.parser.HTMLPageParser.parse(HTMLPageParser.java:52)
at com.opensymphony.sitemesh.compatability.PageParser2ContentProcessor.build(PageParser2ContentProcessor.java:51)
at com.opensymphony.sitemesh.webapp.ContentBufferingResponse.getContent(ContentBufferingResponse.java:54)
at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:137)
at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:143)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1063)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:801)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)
答案 0 :(得分：0)
您是否尝试过分析您的应用程序？
尝试进行内存转储并进行调查，也许你在同一类型的内存中有太多的对象/一些非常大的对象会占用你的所有内存。
您可以考虑使用JVisualVM或您组织中可用的任何其他配置文件
答案 1 :(得分：0)
可能比尝试排序内存转储更容易尝试Plumbr。发现内存泄漏非常好。