我正在尝试运行一个名为“jMRUI”的MRS光谱分析的生物信息学程序。该程序的可执行文件是.sh，代码如下：
java -Xss2m -mx1200m -Djava.library.path=lib -jar lib/mrui.jar
我的PC上安装了64bit and 32bit JDK 1.8，目录为/ usr / lib / jvm /。
64bit found at: /usr/lib/jvm/jdk1.8.0_x64/bin/java
32bit found at: /usr/lib/jvm/jdk1.8.0_x86/bin/java
/ usr / bin / java中的指针符号链接指向/ etc / alternatives / java，如果是64位，则指向/usr/lib/jvm/jdk1.8.0_x64/bin/java如果当前选择了32位，则当前选择版本或/usr/lib/jvm/jdk1.8.0_x86/bin/java。三者的权限都在下面。
lrwxrwxrwx 1 root root 22 Jul 2 17:34 /usr/bin/java -> /etc/alternatives/java
lrwxrwxrwx 1 root root 34 Jul 2 18:29 /etc/alternatives/java -> /usr/lib/jvm/jdk1.8.0_x(VER#)/bin/java
-rwxr-xr-x 1 lillian lillian 5730 Mar 18 02:58 /usr/lib/jvm/jdk1.8.0_x64/bin/java
-rwxr-xr-x 1 lillian lillian 5730 Mar 18 02:58 /usr/lib/jvm/jdk1.8.0_x86/bin/java
我可以使用运行以下代码的bash脚本在Java版本之间切换： 从32位java回到64位java：
#!/bin/sh
#the next 3 commands are only run initially to install the link alternative
#associations. I give everything the same priority of 1.
sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.8.0_x64/bin/java" 1
sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.8.0_x64/bin/javac" 1
sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.8.0_x64/bin/javaws" 1
echo 1 | sudo update-alternatives --config java
echo 1 | sudo update-alternatives --config javac
echo 1 | sudo update-alternatives --config javaws
从64位到32位：
#!/bin/sh
#the next 3 commands are only run initially to install the link alternative
#associations. I give everything the same priority of 1.
sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.8.0_x86/bin/java" 1
sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.8.0_x86/bin/javac" 1
sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.8.0_x86/bin/javaws" 1
echo 1 | sudo update-alternatives --config java
echo 1 | sudo update-alternatives --config javac
echo 1 | sudo update-alternatives --config javaws
This post告诉我还要为32位java安装以下软件包。这是所有建议的测试命令的输出。
readelf -l / usr / bin / java
Elf file type is EXEC (Executable file)
Entry point 0x8048420
There are 8 program headers, starting at offset 52
Program Headers:
Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
PHDR 0x000034 0x08048034 0x08048034 0x00100 0x00100 R E 0x4
INTERP 0x000134 0x08048134 0x08048134 0x00013 0x00013 R 0x1
[Requesting program interpreter: /lib/ld-linux.so.2]
LOAD 0x000000 0x08048000 0x08048000 0x00710 0x00710 R E 0x1000
LOAD 0x000710 0x08049710 0x08049710 0x00144 0x0014c RW 0x1000
DYNAMIC 0x00072c 0x0804972c 0x0804972c 0x00108 0x00108 RW 0x4
NOTE 0x000148 0x08048148 0x08048148 0x00044 0x00044 R 0x4
GNU_EH_FRAME 0x00069c 0x0804869c 0x0804869c 0x0001c 0x0001c R 0x4
GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RW 0x4
Section to Segment mapping:
Segment Sections...
00
01 .interp
02 .interp .note.ABI-tag .note.gnu.build-id .hash .gnu.hash .dynsym .dynstr .gnu.version .gnu.version_d .gnu.version_r .rel.dyn .rel.plt .init .plt .text .fini .rodata .eh_frame_hdr .eh_frame
03 .ctors .dtors .jcr .data.rel.ro .dynamic .got .got.plt .data .bss
04 .dynamic
05 .note.ABI-tag .note.gnu.build-id
06 .eh_frame_hdr
07
ls -l /lib/ld-linux.so.2
lrwxrwxrwx 1 root root 25 Apr 12 05:44 /lib/ld-linux.so.2 -> i386-linux-gnu/ld-2.19.so
ldd java
linux-gate.so.1 => (0xf775c000)
libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xf7728000)
libjli.so => not found
libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xf7722000)
libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xf7573000)
/lib/ld-linux.so.2 (0xf775d000)
由于找不到libjli.so，我试图在任何与i386有关的推荐软件包中使用apt-get。没有人改变libjli.so的“未找到”状态。
当/ usr / bin / java指向64位java时，jMRUI启动，但是当我尝试上传.SDAT文件时崩溃（基本上当我打开任何文件时）。当我尝试打开文件时，我收到此错误消息，然后它会挂起，直到您终止该过程：
Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library
/home/lillian/Downloads/jMRUI-4.0/lib/libfftw.so which might have disabled stack
guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c <libfile>',
or link it with '-z noexecstack'.
Exception in thread "Thread-1" java.lang.UnsatisfiedLinkError:
/home/lillian/Downloads/jMRUI-4.0/lib/libfftw.so: /home/lillian/Downloads/jMRUI-
4.0/lib/libfftw.so:
wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch)
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1929)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1847)
at java.lang.Runtime.loadLibrary0(Runtime.java:870)
at java.lang.System.loadLibrary(System.java:1119)
at fft.Fft.<clinit>(Unknown Source)
at mrui.data.FID.constructSpectrum(Unknown Source)
at mrui.data.Data.constructSpectrum(Unknown Source)
at mrui.data.Data.constructSpectrum(Unknown Source)
at mrui.data.Data.addSignal(Unknown Source)
at mrui.conversion.philips.FilePhil.loadData(Unknown Source)
at mrui.plugin.conversion.ConversionManager.loadFile(Unknown Source)
at mrui.plugin.conversion.FileManagementRead.loadInBackground(Unknown Source)
at mrui.plugin.conversion.FileManagementRead.run(Unknown Source)
at java.lang.Thread.run(Thread.java:745)
当/ usr / bin / java指向32位java时，jMRUI根本不启动，我收到此错误消息：
./jmrui.sh
Jul 02, 2014 6:56:04 PM mrui.Launcher main
INFO: Log properties loaded
Exception in thread "main" java.lang.UnsatisfiedLinkError:
/usr/lib/jvm/jdk1.8.0_x86/jre/lib/i386/libawt_xawt.so: libXrender.so.1:
cannot open shared object file: No such file or directory
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1929)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1814)
at java.lang.Runtime.load0(Runtime.java:809)
at java.lang.System.load(System.java:1083)
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1929)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1835)
at java.lang.Runtime.loadLibrary0(Runtime.java:870)
at java.lang.System.loadLibrary(System.java:1119)
at java.awt.Toolkit$3.run(Toolkit.java:1651)
at java.awt.Toolkit$3.run(Toolkit.java:1649)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Toolkit.loadLibraries(Toolkit.java:1648)
at java.awt.Toolkit.<clinit>(Toolkit.java:1683)
at sun.awt.AppContext$2.run(AppContext.java:275)
at sun.awt.AppContext$2.run(AppContext.java:264)
at java.security.AccessController.doPrivileged(Native Method)
at sun.awt.AppContext.initMainAppContext(AppContext.java:264)
at sun.awt.AppContext.access$400(AppContext.java:133)
at sun.awt.AppContext$3.run(AppContext.java:319)
at sun.awt.AppContext$3.run(AppContext.java:302)
at java.security.AccessController.doPrivileged(Native Method)
at sun.awt.AppContext.getAppContext(AppContext.java:301)
at javax.swing.SwingUtilities.appContextGet(SwingUtilities.java:1860)
at javax.swing.UIManager.getLAFState(UIManager.java:243)
at javax.swing.UIManager.setLookAndFeel(UIManager.java:529)
at javax.swing.UIManager.setLookAndFeel(UIManager.java:579)
at mrui.Launcher.main(Unknown Source)
This site告诉我64位错误消息是因为jMRUI需要32位java，所以这就是为什么我同时拥有它们。
同样，this site告诉我32位java无法正常工作，因为我“试图运行没有32位运行时环境的64位系统”。
最后，this site告诉我在jMRUI.sh bash脚本中添加-d32选项。它没有更改共享库错误消息结果。
我错过了什么？我无法想象我没有提供足够的信息，但如果你还需要其他任何东西来帮助调试，请告诉我，我会按照你的方式发送输出。提前感谢一百万！
答案 0 :(得分：4)
看一下错误信息，我得出了一些结论：
你肯定需要运行32位版本，jMRUI-4.0/lib/libfftw.so中的本机库是ELF32
运行32位版本时，系统会查找缺少的库：'libXrender.so.1'（32位版本）。
安装包“libxrender1：i386”（libXrender 32bit）并再次使用JDK 32位。