Tag: weblogic8.x

什么是weblogic.socket.Muxer？: 您是否了解WebLogic 8.1中使用的weblogic.socket.Muxer是什么？通常在线程转储中，我看到类似于此的堆栈跟踪： “ExecuteThread: ‘0’ for queue: ‘weblogic.socket.Muxer'” id=20 idx=0x68 tid=26709 prio=5 alive, in native, blocked, daemon — Blocked trying to get lock: java/lang/String@0x2b673d373c50[fat lock] at jrockit/vm/Threads.waitForUnblockSignal()V(Native Method) at jrockit/vm/Locks.fatLockBlockOrSpin(Locks.java:1675)[optimized] at jrockit/vm/Locks.lockFat(Locks.java:1776)[optimized] at jrockit/vm/Locks.monitorEnterSecondStageHard(Locks.java:1312)[optimized] at jrockit/vm/Locks.monitorEnterSecondStage(Locks.java:1259)[optimized] at jrockit/vm/Locks.monitorEnter(Locks.java:2439)[optimized] at weblogic/socket/EPollSocketMuxer.processSockets(EPollSocketMuxer.java:153) at weblogic/socket/SocketReaderRequest.run(SocketReaderRequest.java:29) at weblogic/socket/SocketReaderRequest.execute(SocketReaderRequest.java:42) at weblogic/kernel/ExecuteThread.execute(ExecuteThread.java:145) at weblogic/kernel/ExecuteThread.run(ExecuteThread.java:117) at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method) — end of trace […]

java.lang.NoClassDefFoundError：com / itextpdf / text / DocumentException: 我试图通过以下servlet生成动态PDF文件。 import java.io.*; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; // Document Object import com.itextpdf.text.Document; //For adding content into PDF document import com.itextpdf.text.Paragraph; import com.itextpdf.text.pdf.PdfWriter; import com.itextpdf.text.DocumentException; public class CreatePDFExample extends HttpServlet { //invoked from doGet method to create PDF through servlet protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //Set content […]