col*_*nic 9 java tomcat7 raspbian
更新 tomcat8似乎在这种情况下工作,因为我可以根据需要打开/ manager/page.虽然这并没有解决原来的问题状态,但我建议你在这种情况下使用debian backports中的tomcat8!
Raspbian提供了当前的Java 8版本
root@raspberrypi:/etc/apt# java -version
java version "1.8.0"
Java(TM) SE Runtime Environment (build 1.8.0-b132)
Java HotSpot(TM) Client VM (build 25.0-b70, mixed mode)
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安装tomcat 7后我恢复到debian backports提供的tomcat7版本
root@raspberrypi:/etc/apt# dpkg -l |grep tomcat
ii libtomcat7-java 7.0.56-1~bpo70+2 all Servlet and JSP engine -- core libraries
ii tomcat7 7.0.56-1~bpo70+2 all Servlet and JSP engine
ii tomcat7-admin 7.0.56-1~bpo70+2 all Servlet and JSP engine -- admin web applications
ii tomcat7-common 7.0.56-1~bpo70+2 all Servlet and JSP engine -- common files
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根据tomcat7没有编译jsp的例子应该可行.但是,这不是这种情况,因为管理器页面给我留下了以下错误:
org.apache.jasper.JasperException: Unable to compile class for JSP:
An error occurred at line: [1] in the generated java file: [/var/lib/tomcat7/work/Catalina/localhost/manager/org/apache/jsp/index_jsp.java]
The type java.util.Map$Entry cannot be resolved. It is indirectly referenced from required .class files
Stacktrace:
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:103)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:366)
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:477)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:379)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:657)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:213)
org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
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有人知道这里的实际问题是什么吗?
Mar*_*pel 21
如问题中所述,Raspbian提供的Tomcat不能与Java 8一起使用.我设法按照此博客上的说明安装Tomcat 8 .为了避免linkrot并纠正一个小错误,我将几乎字面引用文本(更新版本8.0.24):
在Raspberry Pi上安装Apache Tomcat 8
在我的Raspberry Pi上,我已经安装了Apache 2 HTTP服务器,因此本文对Tomcat进行了基本的安装和配置.首先,更新所有已安装的软件包:
Run Code Online (Sandbox Code Playgroud)$ sudo apt-get update确认已安装Java:
Run Code Online (Sandbox Code Playgroud)pi@raspberrypi /usr/bin $ java -version java version "1.8.0" Java(TM) SE Runtime Environment (build 1.8.0-b132) Java HotSpot(TM) Client VM (build 25.0-b70, mixed mode)登录pi用户的主目录并下载所需的Tomcat版本:
Run Code Online (Sandbox Code Playgroud)$ wget http://mirrors.axint.net/apache/tomcat/tomcat-8/v8.0.24/bin/apache-tomcat-8.0.24.tar.gz解压缩压缩的tarball:
Run Code Online (Sandbox Code Playgroud)$ tar xvf apache-tomcat-8.0.24.tar.gz添加以下用户XML元素作为tomcat-users父元素的最后一个子元素
~/apache-tomcat-8.0.24/conf/tomcat-users.xml(这将创建一个名为"system"的管理员帐户,其密码为"raspberry"):Run Code Online (Sandbox Code Playgroud)<user username="system" password="raspberry" roles="manager-gui"/>更改以下directorys上的目录权限,因为默认情况下,pi Linux用户无法写入它们:
[注意:我没有必要执行此步骤,如在8.0.24版本中,没有目录
apache-tomcat-8.0.24/work/Catalina]将名为tomcat的启动脚本添加到/etc/init.d目录,该目录包含以下内容:
Run Code Online (Sandbox Code Playgroud)#!/bin/sh # /etc/init.d/tomcat # starts the Apache Tomcat service ### BEGIN INIT INFO # Provides: tomcat # Required-Start: # Required-Stop: # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # X-Interactive: true # Short-Description: Start/stop tomcat application server ### END INIT INFO export CATALINA_HOME="/home/pi/apache-tomcat-8.0.24" case "$1" in start) if [ -f $CATALINA_HOME/bin/startup.sh ]; then echo $"Starting Tomcat" /bin/su pi $CATALINA_HOME/bin/startup.sh fi ;; stop) if [ -f $CATALINA_HOME/bin/shutdown.sh ]; then echo $"Stopping Tomcat" /bin/su pi $CATALINA_HOME/bin/shutdown.sh fi ;; *) echo $"Usage: $0 {start|stop}" exit 1 ;; esac使用update-rc.d命令将适当的链接添加到/etc/rc?.d目录:
Run Code Online (Sandbox Code Playgroud)$ sudo update-rc.d tomcat defaults测试tomcat服务器启动:
Run Code Online (Sandbox Code Playgroud)$ sudo /etc/init.d/tomcat start在Web客户端上,将浏览器指向
http://”Raspberry Pi IP Address”:8080
测试tomcat服务器是否停止:
Run Code Online (Sandbox Code Playgroud)$ sudo /etc/init.d/tomcat stop最后,重新启动系统,Tomcat应用程序服务器现在应该在启动时自动启动,同样在系统关闭时启动.
所有学分都归入星期五晚上项目.
有一点需要指出:对我来说,作为一个核心Linux用户,这个解决方案听起来有点hacky,在用户的主目录中安装软件,但它的工作原理.
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