Example usage for java.lang LinkageError printStackTrace

Introduction

In this page you can find the example usage for java.lang LinkageError printStackTrace.

Prototype

public void printStackTrace(PrintStream s) 

Source Link

Document

Prints this throwable and its backtrace to the specified print stream.

Usage

From source file:hudson.Util.java

/**
 * Creates a symlink to baseDir+targetPath at baseDir+symlinkPath.
 * <p>//  w w w  . ja  va2s. c  o  m
 * If there's a prior symlink at baseDir+symlinkPath, it will be overwritten.
 *
 * @param baseDir
 *      Base directory to resolve the 'symlinkPath' parameter.
 * @param targetPath
 *      The file that the symlink should point to.
 * @param symlinkPath
 *      Where to create a symlink in.
 */
public static void createSymlink(File baseDir, String targetPath, String symlinkPath, TaskListener listener)
        throws InterruptedException {
    if (Functions.isWindows() || NO_SYMLINK)
        return;

    try {
        String errmsg = "";
        // if a file or a directory exists here, delete it first.
        // try simple delete first (whether exists() or not, as it may be symlink pointing
        // to non-existent target), but fallback to "rm -rf" to delete non-empty dir.
        File symlinkFile = new File(baseDir, symlinkPath);
        if (!symlinkFile.delete() && symlinkFile.exists())
            // ignore a failure.
            new LocalProc(new String[] { "rm", "-rf", symlinkPath }, new String[0], listener.getLogger(),
                    baseDir).join();

        int r;
        if (!SYMLINK_ESCAPEHATCH) {
            try {
                r = LIBC.symlink(targetPath, symlinkFile.getAbsolutePath());
                if (r != 0) {
                    r = Native.getLastError();
                    errmsg = LIBC.strerror(r);
                }
            } catch (LinkageError e) {
                // if JNA is unavailable, fall back.
                // we still prefer to try JNA first as PosixAPI supports even smaller platforms.
                r = PosixAPI.get().symlink(targetPath, symlinkFile.getAbsolutePath());
            }
        } else // escape hatch, until we know that the above works well.
            r = new LocalProc(new String[] { "ln", "-s", targetPath, symlinkPath }, new String[0],
                    listener.getLogger(), baseDir).join();
        if (r != 0)
            listener.getLogger()
                    .println(String.format("ln -s %s %s failed: %d %s", targetPath, symlinkFile, r, errmsg));
    } catch (IOException e) {
        PrintStream log = listener.getLogger();
        log.printf("ln %s %s failed\n", targetPath, new File(baseDir, symlinkPath));
        Util.displayIOException(e, listener);
        e.printStackTrace(log);
    }
}

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From source file:hudson.Util.java

/**
 * Creates a symlink to baseDir+targetPath at baseDir+symlinkPath.
 * <p>/*from ww w  . ja v  a  2 s  .com*/
 * If there's a prior symlink at baseDir+symlinkPath, it will be overwritten.
 *
 * @param baseDir
 *      Base directory to resolve the 'symlinkPath' parameter.
 * @param targetPath
 *      The file that the symlink should point to.
 * @param symlinkPath
 *      Where to create a symlink in.
 */
public static void createSymlink(File baseDir, String targetPath, String symlinkPath, TaskListener listener)
        throws InterruptedException {
    if (Functions.isWindows() || NO_SYMLINK)
        return;

    try {
        String errmsg = "";
        // if a file or a directory exists here, delete it first.
        // try simple delete first (whether exists() or not, as it may be symlink pointing
        // to non-existent target), but fallback to "rm -rf" to delete non-empty dir.
        File symlinkFile = new File(baseDir, symlinkPath);
        if (!symlinkFile.delete() && symlinkFile.exists())
            // ignore a failure.
            new LocalProc(new String[] { "rm", "-rf", symlinkPath }, new String[0], listener.getLogger(),
                    baseDir).join();

        int r;
        if (!SYMLINK_ESCAPEHATCH) {
            try {
                r = LIBC.symlink(targetPath, symlinkFile.getAbsolutePath());
                if (r != 0) {
                    r = Native.getLastError();
                    errmsg = LIBC.strerror(r);
                }
            } catch (LinkageError e) {
                // if JNA is unavailable, fall back.
                // we still prefer to try JNA first as PosixAPI supports even smaller platforms.
                r = PosixAPI.get().symlink(targetPath, symlinkFile.getAbsolutePath());
            }
        } else // escape hatch, until we know that the above works well.
            r = new LocalProc(new String[] { "ln", "-s", targetPath, symlinkPath }, new String[0],
                    listener.getLogger(), baseDir).join();
        if (r != 0)
            listener.getLogger()
                    .println(String.format("ln -s %s %s failed: %d %s", targetPath, symlinkFile, r, errmsg));
    } catch (IOException e) {
        PrintStream log = listener.getLogger();
        log.printf("ln %s %s failed%n", targetPath, new File(baseDir, symlinkPath));
        Util.displayIOException(e, listener);
        e.printStackTrace(log);
    }
}

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From source file:hudson.Util.java

/**
 * Creates a symlink to baseDir+targetPath at baseDir+symlinkPath.
 * <p>//  w  ww.j  a  va2  s.c  o  m
 * If there's a prior symlink at baseDir+symlinkPath, it will be overwritten.
 *
 * @param baseDir
 *      Base directory to resolve the 'symlinkPath' parameter.
 * @param targetPath
 *      The file that the symlink should point to.
 * @param symlinkPath
 *      Where to create a symlink in.
 */
public static void createSymlink(File baseDir, String targetPath, String symlinkPath, TaskListener listener)
        throws InterruptedException {
    if (Functions.isWindows() || NO_SYMLINK)
        return;

    try {
        String errmsg = "";
        // if a file or a directory exists here, delete it first.
        // try simple delete first (whether exists() or not, as it may be symlink pointing
        // to non-existent target), but fallback to "rm -rf" to delete non-empty dir.
        File symlinkFile = new File(baseDir, symlinkPath);
        if (!symlinkFile.delete() && symlinkFile.exists())
            // ignore a failure.
            new LocalProc(new String[] { "rm", "-rf", symlinkPath }, new String[0], listener.getLogger(),
                    baseDir).join();

        Integer r = null;
        if (!SYMLINK_ESCAPEHATCH) {
            try {
                r = LIBC.symlink(targetPath, symlinkFile.getAbsolutePath());
                if (r != 0) {
                    r = Native.getLastError();
                    errmsg = LIBC.strerror(r);
                }
            } catch (LinkageError e) {
                // if JNA is unavailable, fall back.
                // we still prefer to try JNA first as PosixAPI supports even smaller platforms.
                if (PosixAPI.supportsNative()) {
                    r = PosixAPI.get().symlink(targetPath, symlinkFile.getAbsolutePath());
                }
            }
        }
        if (r == null) {
            // if all else fail, fall back to the most expensive approach of forking a process
            r = new LocalProc(new String[] { "ln", "-s", targetPath, symlinkPath }, new String[0],
                    listener.getLogger(), baseDir).join();
        }
        if (r != 0)
            listener.getLogger()
                    .println(String.format("ln -s %s %s failed: %d %s", targetPath, symlinkFile, r, errmsg));
    } catch (IOException e) {
        PrintStream log = listener.getLogger();
        log.printf("ln %s %s failed%n", targetPath, new File(baseDir, symlinkPath));
        Util.displayIOException(e, listener);
        e.printStackTrace(log);
    }
}

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