IBM JVM 1.6 SR14: java.lang.UnsatisfiedLinkError: fontmanage

Question

我们在 AIX 机器上将 IBM Java 从 Java 1.6 SR 9 升级到 Java 1.6 SR14，现在我们在启动应用程序时遇到以下错误：

Exception in thread "main" java.lang.UnsatisfiedLinkError: fontmanager (Not found in com.ibm.oti.vm.bootstrap.library.path)
        at java.lang.ClassLoader.loadLibraryWithPath(ClassLoader.java:1030)
        at java.lang.ClassLoader.loadLibraryWithClassLoader(ClassLoader.java:994)
        at java.lang.System.loadLibrary(System.java:507)
        at sun.font.FontManager$1.run(FontManager.java:240)
        at java.security.AccessController.doPrivileged(AccessController.java:273)
        at sun.font.FontManager.<clinit>(FontManager.java:235)
        at java.lang.J9VMInternals.initializeImpl(Native Method)
        at java.lang.J9VMInternals.initialize(J9VMInternals.java:200)
        at sun.swing.SwingUtilities2.isComplexLayout(SwingUtilities2.java:203)
        at javax.swing.text.AbstractDocument.handleInsertString(AbstractDocument.java:736)
        at javax.swing.text.AbstractDocument.insertString(AbstractDocument.java:704)
        at javax.swing.text.rtf.RTFReader$DocumentDestination.deliverText(RTFReader.java:1610)
        at javax.swing.text.rtf.RTFReader$TextHandlingDestination.handleText(RTFReader.java:1546)
        at javax.swing.text.rtf.RTFReader.handleText(RTFReader.java:186)
        at javax.swing.text.rtf.RTFParser.write(RTFParser.java:163)
        at javax.swing.text.rtf.AbstractFilter.readFromReader(AbstractFilter.java:116)
        at javax.swing.text.rtf.RTFEditorKit.read(RTFEditorKit.java:122)
        at Rtf.convert(Rtf.java:17)
        at Rtf.main(Rtf.java:29)

以下代码允许重现此问题：

import java.io.StringReader;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.Document;
import javax.swing.text.rtf.RTFEditorKit;
public class Rtf {
        public Rtf() {
        }
        static public String convert(String rtf) throws Exception {
                DefaultStyledDocument styledDoc = new DefaultStyledDocument();
                RTFEditorKit rtfKit = new RTFEditorKit();
                StringReader reader = null;
                reader = new StringReader(rtf);
                rtfKit.read(reader, styledDoc, 0);
                Document doc = styledDoc.getDefaultRootElement().getDocument();
                String txt = doc.getText(0, doc.getLength());
                return txt;
        }
        public static void main(String[] args) throws Exception {
                System.getProperties().store(System.out, "Current System props");
                System.out.println("fontmanger LIB: "+ System.mapLibraryName("fontmanager"));
                String rtf="{\rtf1\deff0{\fonttbl{\f0 Times New Roman;}{\f1 Courier New;}}{\colortbl\red0\green0\blue0 ;\red0\green0\blue255 ;}{\*\listoverridetable}{\stylesheet {\ql\f1\fs2
0\cf0 Normal;}{\*\cs1\f1\fs20\cf0 Default Paragraph Font;}{\*\cs2\sbasedon1\f1\fs20\cf0 Line Number;}{\*\cs3\ul\f1\fs20\cf1 Hyperlink;}}\sectd\pard\plain\ql{\f1\fs20\cf0 draw 2 extra
 6ml lav. label with chart labels"}\f1\fs20\par\pard\plain\ql{\f1\fs20\cf0 ?When to Transfuse: When Avl}\f1\fs20\par}";
                String txt = Rtf.convert(rtf);
        }
}

如果在没有任何 jvm 参数的情况下运行 Rtf 类，则没有任何例外：

java Rtf

但是，如果使用"-Dcom.sun.management.jmxremote"jvm参数运行Rtf类，那么将出现异常"线程"main"java.lang.UnsatisfiedLinkError中的异常：fontmanager（在com.ibm.oti.vm.bootstrap.library.path中找不到）"：

java -Djava.awt.headless=true -Dcom.sun.management.jmxremote Rtf  

有谁知道如何解决这个问题？

Answer 1

解决方法是将目录/usr/java6_64/jre/lib/ppc64/xawt 添加到当前的 LIBPATH 中。