我正在使用更新/提取请求处理程序上传一个9MB字的doc文件。我正在使用solrj来做到这一点。但是我在同一个文件上不断出现内存不足错误。我正在使用自动提交，但我不认为这是一个问题，因为即使我将其关闭也会失败。
由于gc，cpu使用率达到95％，而且过程大约需要4.4Gb
是否有人知道如何防止此错误？
这是错误：
<date>2012-12-06Txx:xx:xx</date>
<millis>1354786975705</millis>
<sequence>157</sequence>
<logger>org.apache.solr.servlet.SolrDispatchFilter</logger>
<level>SEVERE</level>
<class>org.apache.solr.common.SolrException</class>
<method>log</method>
<thread>16</thread>
<message>null:java.lang.RuntimeException: java.lang.OutOfMemoryError: GC overhead limit exceeded
at org.apache.solr.servlet.SolrDispatchFilter.sendError(SolrDispatchFilter.java:469)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:297)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1337)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:484)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:233)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1065)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:413)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:192)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:999)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:250)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111)
at org.eclipse.jetty.server.Server.handle(Server.java:351)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:454)
at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:47)
at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:900)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:954)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:952)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:66)
at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:254)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:599)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:534)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.util.Arrays.copyOfRange(Unknown Source)
at java.lang.String.<init>(Unknown Source)
at org.apache.xmlbeans.impl.piccolo.xml.PiccoloLexer.parseCdataLiteral(PiccoloLexer.java:3027)
at org.apache.xmlbeans.impl.piccolo.xml.PiccoloLexer.parseQuotedTagValue(PiccoloLexer.java:2936)
at org.apache.xmlbeans.impl.piccolo.xml.PiccoloLexer.parseAttributesNS(PiccoloLexer.java:1754)
at org.apache.xmlbeans.impl.piccolo.xml.PiccoloLexer.parseOpenTagNS(PiccoloLexer.java:1521)
at org.apache.xmlbeans.impl.piccolo.xml.PiccoloLexer.parseTagNS(PiccoloLexer.java:1362)
at org.apache.xmlbeans.impl.piccolo.xml.PiccoloLexer.parseXMLNS(PiccoloLexer.java:1293)
at org.apache.xmlbeans.impl.piccolo.xml.PiccoloLexer.parseXML(PiccoloLexer.java:1261)
at org.apache.xmlbeans.impl.piccolo.xml.PiccoloLexer.yylex(PiccoloLexer.java:4808)
at org.apache.xmlbeans.impl.piccolo.xml.Piccolo.yylex(Piccolo.java:1290)
at org.apache.xmlbeans.impl.piccolo.xml.Piccolo.yyparse(Piccolo.java:1400)
at org.apache.xmlbeans.impl.piccolo.xml.Piccolo.parse(Piccolo.java:714)
at org.apache.xmlbeans.impl.store.Locale$SaxLoader.load(Locale.java:3439)
at org.apache.xmlbeans.impl.store.Locale.parseToXmlObject(Locale.java:1270)
at org.apache.xmlbeans.impl.store.Locale.parseToXmlObject(Locale.java:1257)
at org.apache.xmlbeans.impl.schema.SchemaTypeLoaderBase.parse(SchemaTypeLoaderBase.java:345)
at org.openxmlformats.schemas.wordprocessingml.x2006.main.DocumentDocument$Factory.parse(Unknown Source)
at org.apache.poi.xwpf.usermodel.XWPFDocument.onDocumentRead(XWPFDocument.java:134)
at org.apache.poi.POIXMLDocument.load(POIXMLDocument.java:159)
at org.apache.poi.xwpf.usermodel.XWPFDocument.<init>(XWPFDocument.java:116)
at org.apache.poi.xwpf.extractor.XWPFWordExtractor.<init>(XWPFWordExtractor.java:53)
at org.apache.poi.extractor.ExtractorFactory.createExtractor(ExtractorFactory.java:180)
at org.apache.tika.parser.microsoft.ooxml.OOXMLExtractorFactory.parse(OOXMLExtractorFactory.java:87)
at org.apache.tika.parser.microsoft.ooxml.OOXMLParser.parse(OOXMLParser.java:82)
at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:242)
at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:242)
at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:120)
at org.apache.solr.handler.extraction.ExtractingDocumentLoader.load(ExtractingDocumentLoader.java:219)
at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:74)
at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
at org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.handleRequest(RequestHandlers.java:240)
答案 0 :(得分：1)
如果您有64位操作系统，请尝试使用此参数运行您的应用程序
java -Xmx1024m -jar yourfile.jar
将-Xmx1024的值更改为RAMsize的最大值，例如-Xmx16384m。确保将shell导航到jar文件所在的文件夹
答案 1 :(得分：0)
在完成大量应用程序后运行System.gc()。