我在 Windows Server 2008 下的 Jetty 8.1.8 上使用 x64 Java (JRE 7) 和 2GB 堆大小运行 Solr 4.2.1。Solr 索引包含大约 300-400k 文档。每天添加大约 3-5k 新文档（大部分很小，不超过 1-2kb）。经过大约 1-2 天的工作后，随机OutOfMemoryError开始出现在搜索请求中，具有几乎相同的堆栈跟踪（直到CompressingStoredFieldsReader.readField它与所有相同）。
我是 Solr 的新手，不知道在这种情况下什么会导致错误。示例堆栈跟踪：
at java.lang.OutOfMemoryError.<init>(<unknown string>)
at java.util.Arrays.copyOf(<unknown string>)
Local Variable: char[]#6587
at java.lang.StringCoding.safeTrim(<unknown string>)
at java.lang.StringCoding.decode(<unknown string>)
at java.lang.String.<init>(<unknown string>)
at java.lang.String.<init>(<unknown string>)
at org.apache.lucene.codecs.compressing.CompressingStoredFieldsReader.readField(CompressingStoredFieldsReader.java:154)
at org.apache.lucene.codecs.compressing.CompressingStoredFieldsReader.visitDocument(CompressingStoredFieldsReader.java:272)
Local Variable: org.apache.lucene.store.ByteArrayDataInput#1
Local Variable: org.apache.lucene.codecs.compressing.CompressingStoredFieldsReader#97
at org.apache.lucene.index.SegmentReader.document(SegmentReader.java:139)
at org.apache.lucene.index.BaseCompositeReader.document(BaseCompositeReader.java:116)
at org.apache.solr.search.SolrIndexSearcher.doc(SolrIndexSearcher.java:643)
Local Variable: org.apache.solr.search.SolrIndexSearcher$SetNonLazyFieldSelector#1
at org.apache.solr.highlight.DefaultSolrHighlighter.doHighlighting(DefaultSolrHighlighter.java:384)
Local Variable: java.util.HashSet#505
Local Variable: java.lang.String[]#22
Local Variable: org.apache.solr.common.util.SimpleOrderedMap#13
Local Variable: org.apache.solr.search.DocSlice#15
Local Variable: org.apache.solr.search.DocSlice$1#1
Local Variable: org.apache.solr.highlight.DefaultSolrHighlighter#3
Local Variable: org.apache.lucene.search.vectorhighlight.FieldQuery#1
Local Variable: org.apache.lucene.search.vectorhighlight.FastVectorHighlighter#1
Local Variable: org.apache.solr.search.SolrIndexSearcher#1
Local Variable: org.apache.solr.schema.IndexSchema#2
at org.apache.solr.handler.component.HighlightComponent.process(HighlightComponent.java:139)
Local Variable: java.lang.String[]#21
Local Variable: org.apache.lucene.search.BooleanQuery#54
Local Variable: org.apache.solr.handler.component.HighlightComponent#2
Local Variable: org.apache.solr.common.params.DefaultSolrParams#1
at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:208)
Local Variable: org.apache.solr.handler.component.ResponseBuilder#1
Local Variable: java.util.ArrayList$Itr#1
at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
Local Variable: org.apache.solr.util.stats.TimerContext#1
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1817)
at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:639)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:345)
Local Variable: org.apache.solr.core.CoreContainer#1
Local Variable: org.apache.solr.servlet.cache.Method#1
Local Variable: org.apache.solr.servlet.SolrRequestParsers#1
Local Variable: org.apache.solr.handler.component.SearchHandler#2
Local Variable: org.apache.solr.response.SolrQueryResponse#1
Local Variable: org.apache.solr.core.SolrConfig#2
Local Variable: java.lang.String#2256
Local Variable: java.lang.String#2255
Local Variable: org.apache.solr.servlet.SolrRequestParsers$1#1
Local Variable: org.apache.solr.core.SolrCore#2
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:141)
Local Variable: org.eclipse.jetty.servlet.ServletHandler$CachedChain#1
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
Local Variable: org.apache.solr.servlet.SolrDispatchFilter#1
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)
Local Variable: org.eclipse.jetty.servlet.ServletHandler$CachedChain#2
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)
Local Variable: org.eclipse.jetty.server.Authentication$1#1
Local Variable: org.eclipse.jetty.security.RoleInfo#1
Local Variable: org.eclipse.jetty.security.ConstraintSecurityHandler#1
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)
Local Variable: org.eclipse.jetty.servlet.ServletHandler#1
Local Variable: org.eclipse.jetty.servlet.ServletHolder#1
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
Local Variable: org.eclipse.jetty.server.session.SessionHandler#1
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)
Local Variable: javax.servlet.DispatcherType#1
Local Variable: org.eclipse.jetty.start.Classpath$Loader#1
Local Variable: java.lang.String#2253
Local Variable: java.lang.String#7243
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
Local Variable: org.eclipse.jetty.webapp.WebAppContext#1
Local Variable: org.eclipse.jetty.server.handler.ContextHandlerCollection#1
Local Variable: org.eclipse.jetty.server.Handler[]#2
Local Variable: org.eclipse.jetty.http.PathMap#1
Local Variable: org.eclipse.jetty.http.PathMap$Entry#1
Local Variable: org.eclipse.jetty.server.AsyncContinuation#2
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
Local Variable: org.eclipse.jetty.server.handler.HandlerCollection#1
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:365)
Local Variable: org.eclipse.jetty.server.Response#2
Local Variable: org.eclipse.jetty.server.Request#2
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)
Local Variable: java.lang.String#2252
Local Variable: org.eclipse.jetty.server.Server#1
at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988)
Local Variable: org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler#2
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
Local Variable: org.eclipse.jetty.http.HttpParser#2
at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72)
Local Variable: org.eclipse.jetty.server.BlockingHttpConnection#2
at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
Local Variable: org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint#2
at java.lang.Thread.run(<unknown string>)