我在Windows 10中使用Tomcat8.exe时遇到了这种奇怪的情况。
我在Windows环境中定义的JAVA_HOME环境变量指向JDK1.8路径:
JAVA_HOME=C:\Program Files\Java\jdk1.8.0_65当我运行"C:\Program \\Tomcat8.0\bin\Tomcat8.exe“时,服务器从另一个JDK开始,正如我在catalina.log中看到的:
12-May-2016 08:57:28.250 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.0.30
12-May-2016 08:57:28.253 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Dec 1 2015 22:30:46 UTC
12-May-2016 08:57:28.254 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 8.0.30.0
12-May-2016 08:57:28.254 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Windows 8
12-May-2016 08:57:28.255 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 6.2
12-May-2016 08:57:28.255 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd64
12-May-2016 08:57:28.255 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: C:\Program Files\Java\jdk1.7.0_79\jre
12-May-2016 08:57:28.256 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.7.0_79-b15
12-May-2016 08:57:28.256 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation
12-May-2016 08:57:28.256 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Program Files\Apache Software Foundation\Tomcat 8.0
12-May-2016 08:57:28.257 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: C:\Program Files\Apache Software Foundation\Tomcat 8.0
12-May-2016 08:57:28.257 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=C:\Program Files\Apache Software Foundation\Tomcat 8.0
12-May-2016 08:57:28.258 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=C:\Program Files\Apache Software Foundation\Tomcat 8.0
12-May-2016 08:57:28.259 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.endorsed.dirs=C:\Program Files\Apache Software Foundation\Tomcat 8.0\endorsed
12-May-2016 08:57:28.261 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=C:\Program Files\Apache Software Foundation\Tomcat 8.0\temp
12-May-2016 08:57:28.261 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
12-May-2016 08:57:28.262 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=C:\Program Files\Apache Software Foundation\Tomcat 8.0\conf\logging.properties
12-May-2016 08:57:28.264 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: exit
12-May-2016 08:57:28.265 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xms128m
12-May-2016 08:57:28.266 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xmx256m
12-May-2016 08:57:28.267 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Apache Software Foundation\Tomcat 8.0\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\ProgramData\Oracle\Java\javapath;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Java\jdk1.8.0_65\bin;.我不明白"Java :C:程序Files\Java\jdk1.7.0_79\jre“的来源。
我试着在所有Tomcat文件和子文件夹中搜索"1.7“的文件,在日志中唯一显示的是.
链接的目标是"C:\Program \\Tomcat8.0\bin\Tomcat8.exe“,没有其他变量。
此外,JDK1.7不在系统路径中!
如何强制使用JDK1.8?
提前谢谢。
编辑
这是set命令在提示符中的打印:
C:\Program Files\Apache Software Foundation\Tomcat 8.0\bin>set
ALLUSERSPROFILE=C:\ProgramData
APPDATA=C:\Users\Alessandro\AppData\Roaming
CommonProgramFiles=C:\Program Files\Common Files
CommonProgramFiles(x86)=C:\Program Files (x86)\Common Files
CommonProgramW6432=C:\Program Files\Common Files
COMPUTERNAME=ASUS-B551L-09
ComSpec=C:\WINDOWS\system32\cmd.exe
configsetroot=C:\WINDOWS\ConfigSetRoot
DOCKER_TOOLBOX_INSTALL_PATH=C:\Program Files\Docker Toolbox
FPS_BROWSER_APP_PROFILE_STRING=Internet Explorer
FPS_BROWSER_USER_PROFILE_STRING=Default
FP_NO_HOST_CHECK=NO
HOMEDRIVE=C:
HOMEPATH=\Users\Alessandro
JAVA_HOME=C:\Program Files\Java\jdk1.8.0_65
LOCALAPPDATA=C:\Users\Alessandro\AppData\Local
LOGONSERVER=\\ASUS-B551L-09
NUMBER_OF_PROCESSORS=4
OS=Windows_NT
Path=C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\GTK2-Runtime\bin;C:\Program Files\TortoiseSVN\bin;C:\Program Files\Java\jdk1.8.0_65\bin;C:\Program Files\Git;C:\Program Files\7-Zip;C:\Program Files\nodejs\;C:\Program Files\Docker Toolbox;C:\Users\Alessandro\AppData\Roaming\npm
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
PROCESSOR_ARCHITECTURE=AMD64
PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 69 Stepping 1, GenuineIntel
PROCESSOR_LEVEL=6
PROCESSOR_REVISION=4501
ProgramData=C:\ProgramData
ProgramFiles=C:\Program Files
ProgramFiles(x86)=C:\Program Files (x86)
ProgramW6432=C:\Program Files
PROMPT=$P$G
PSModulePath=C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules\
PUBLIC=C:\Users\Public
SESSIONNAME=Console
SystemDrive=C:
SystemRoot=C:\WINDOWS
TEMP=C:\Users\Alessandro\AppData\Local\Temp
TMP=C:\Users\Alessandro\AppData\Local\Temp
USERDOMAIN=ASUS-B551L-09
USERDOMAIN_ROAMINGPROFILE=ASUS-B551L-09
USERNAME=Alessandro
USERPROFILE=C:\Users\Alessandro
VBOX_MSI_INSTALL_PATH=C:\Program Files\Oracle\VirtualBox\
windir=C:\WINDOWS发布于 2016-05-12 08:41:49
多亏了Jacek Cz,我找到了解决办法。
这是Tomcat的配置,可以在可以从以下位置启动的面板中看到:
Windows图标/所有应用程序/ Apache 8/配置
转到选项卡Java时,设置了JDK1.7。改变这个变量,Tomcat从正确的JDK开始。

发布于 2016-05-12 08:19:54
当以Windows服务的形式启动时(在典型的Windows安装中),Tomcat从Java选项卡获取JVM路径,从systray/configure中可以看到。
Tomcat的所有Java路径都依赖于这个主路径。
我想,这种设计的意义是:在Java升级之后,Tomcat可以使用旧的、检查过的JVM运行,直到管理员修改为止。
发布于 2016-05-12 08:01:44
我猜JAVA_HOME变量正被tomcat覆盖。
请检查startup.bat和catalina.bat文件,以检查是否定义了JAVA_HOME变量,我猜该变量将在那里定义。
请查看tomcat bin文件夹下的那些文件。
https://stackoverflow.com/questions/37180393
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