バックグラウンドメソッドサーバーは、Windchill PDMLink での PDF ドキュメントのインデックシング中に 100% CPU を使用します

"http-bio-8085-exec-443" Id=11743 daemon prio=5 RUNNABLE
      Blocked (cnt): 4; Waited (cnt): 5
      CPU nanos: 3163250000000; User nanos: 3161437500000; Bytes allocated: 257520672
      Servlet request: 2tg800;ig0540pv;6908;um5fls;779680; Method context: 2tg800;ig0540pv;6908;um5fls;779682
  at java.util.HashMap.getEntry(HashMap.java:465)
  at java.util.HashMap.containsKey(HashMap.java:449)
  at org.apache.fontbox.util.FontManager.analyzeTTF(FontManager.java:116)
  at org.apache.fontbox.util.FontManager.loadFonts(FontManager.java:75)
  at org.apache.fontbox.util.FontManager.findTTFontname(FontManager.java:290)
  at org.apache.fontbox.util.FontManager.findTTFont(FontManager.java:326)
  at org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.getTTFFont(PDTrueTypeFont.java:638)
  at org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.getFontWidth(PDTrueTypeFont.java:673)
  at org.apache.pdfbox.pdmodel.font.PDSimpleFont.getFontWidth(PDSimpleFont.java:233)
  at org.apache.pdfbox.pdmodel.font.PDSimpleFont.getSpaceWidth(PDSimpleFont.java:553)
  at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.java:355)
  at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
  at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:557)
  at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:268)
  at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:235)
  at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:215)
  at org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:460)
  at org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:385)
  at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:344)
  at org.apache.tika.parser.pdf.PDF2XHTML.process(PDF2XHTML.java:130)
  at org.apache.tika.parser.pdf.PDFParser.parse(PDFParser.java:159)
  at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:244)
  at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:244)
  at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:121)
  at com.ptc.search.solr.contentReader.contentExtraction.TikaExtractor.getContent(TikaExtractor.java:46)
  at com.ptc.solr.update.processor.updater.ContentDocumentUpdater.extractContent(ContentDocumentUpdater.java:44)
  at com.ptc.solr.update.processor.updater.ContentDocumentUpdater.getLangFieldMap(ContentDocumentUpdater.java:36)
  at com.ptc.solr.update.processor.updater.AbstractDocumentUpdater.doUpdate(AbstractDocumentUpdater.java:38)
  at com.ptc.solr.update.processor.updater.AbstractDocumentUpdater.update(AbstractDocumentUpdater.java:30)
  at com.ptc.solr.update.processor.PTCUpdateRequestProcessor.updateDoc(PTCUpdateRequestProcessor.java:125)
  at com.ptc.solr.update.processor.PTCUpdateRequestProcessor.getSolrDocList(PTCUpdateRequestProcessor.java:84)
  at com.ptc.solr.update.processor.PTCUpdateRequestProcessor.processAdd(PTCUpdateRequestProcessor.java:49)
  at org.apache.solr.handler.BinaryUpdateRequestHandler$2.update(BinaryUpdateRequestHandler.java:89)
  at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec$2.readOuterMostDocIterator(JavaBinUpdateRequestCodec.java:140)
  at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec$2.readIterator(JavaBinUpdateRequestCodec.java:129)
  at org.apache.solr.common.util.JavaBinCodec.readVal(JavaBinCodec.java:211)
  at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec$2.readNamedList(JavaBinUpdateRequestCodec.java:114)
  at org.apache.solr.common.util.JavaBinCodec.readVal(JavaBinCodec.java:176)
  at org.apache.solr.common.util.JavaBinCodec.unmarshal(JavaBinCodec.java:102)
  at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec.unmarshal(JavaBinUpdateRequestCodec.java:150)
  at org.apache.solr.handler.BinaryUpdateRequestHandler.parseAndLoadDocs(BinaryUpdateRequestHandler.java:99)
  at org.apache.solr.handler.BinaryUpdateRequestHandler.access$000(BinaryUpdateRequestHandler.java:46)
  at org.apache.solr.handler.BinaryUpdateRequestHandler$1.load(BinaryUpdateRequestHandler.java:57)
  at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:58)
  at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
  at org.apache.solr.core.SolrCore.execute(SolrCore.java:1376)
  at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:365)
  at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:260)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  at com.ptc.solr.servlet.SolrAccessFilter.doFilter(SolrAccessFilter.java:40)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  at wt.servlet.ServletRequestMonitor.doFilter(ServletRequestMonitor.java:1652)
  at wt.servlet.ServletRequestMonitorFilter.doFilter(ServletRequestMonitorFilter.java:56)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
  at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
  at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
  at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
  at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
    - locked org.apache.tomcat.util.net.SocketWrapper@2cce72dc
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
  at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:65)
  at java.lang.Thread.run(Thread.java:745)
  at org.apache.tomcat.util.threads.TaskThread.run(TaskThread.java:103)