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http://issues.apache.org/bugzilla/show_bug.cgi?id=35020 Summary: Using Logger and Runtime.exec() causes Explorer to run at 100% CPU Product: Log4j Version: unspecified Platform: PC OS/Version: Windows XP Status: NEW Severity: normal Priority: P2 Component: Other AssignedTo: log4j-dev@logging.apache.org ReportedBy: [EMAIL PROTECTED] I've ran into this interesting bug: When executing a system command through Runtime.getRuntime.exec(COMMAND); and using Log4j, Explorer.exe suddenly requires 100% CPU for a while. I couldn't find out within the JAR what version of Log4j I'm using. Platform: Windows XP Professional sp 2 Java: Java version 1.4.2_06 -------- code -------- // Code usage: java BugTester log|nolog import java.io.BufferedReader; import java.io.InputStreamReader; import org.apache.log4j.Logger; public class BugTester { // exchange this for any valid command on your platform protected static String CMD = "net time"; static Logger log = Logger.getLogger(BugTester.class); public static void main(String[] args) { try { if (args.length > 0) { if ("log".equalsIgnoreCase(args[0])) { log.debug("Begin."); Process process = Runtime.getRuntime().exec(CMD); BufferedReader in = new BufferedReader(new InputStreamReader(process.getInputStream())); BufferedReader err = new BufferedReader(new InputStreamReader(process.getErrorStream())); process.waitFor(); // flush the out/err String line = null; while ((line = in.readLine()) != null) { log.debug(line); } while ((line = err.readLine()) != null) { log.error(line); } log.debug("The end."); System.exit(0); } else if ("nolog".equalsIgnoreCase(args[0])) { System.out.println("Begin."); Process process = Runtime.getRuntime().exec(CMD); BufferedReader in = new BufferedReader(new InputStreamReader(process.getInputStream())); BufferedReader err = new BufferedReader(new InputStreamReader(process.getErrorStream())); process.waitFor(); // flush the out/err String line = null; while ((line = in.readLine()) != null) { System.out.println(line); } while ((line = err.readLine()) != null) { System.err.println(line); } System.out.println("The end."); System.exit(0); } } } catch (Exception e) { log.error("Crash."); } System.out.println("Usage: BugTester log|nolog"); } } -------- end code -------- -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
