遇到tomcat服务器权限：

Using CATALINA_BASE:   /home/ubuntu/softwear/tomcat-8.0.48
Using CATALINA_HOME:   /home/ubuntu/softwear/tomcat-8.0.48
Using CATALINA_TMPDIR: /home/ubuntu/softwear/tomcat-8.0.48/temp
Using JRE_HOME:        /usr/java/jdk1.8.0_141
Using CLASSPATH:       /home/ubuntu/softwear/tomcat-8.0.48/bin/bootstrap.jar:/home/ubuntu/softwear/tomcat-8.0.48/bin/tomcat-juli.jar
Apr 02, 2018 9:47:58 PM org.apache.catalina.startup.Catalina stopServer
SEVERE: Catalina.stop: 
java.io.FileNotFoundException: /home/ubuntu/softwear/tomcat-8.0.48/conf/server.xml (Permission denied)
    at java.io.FileInputStream.open0(Native Method)
    at java.io.FileInputStream.open(FileInputStream.java:195)
    at java.io.FileInputStream.<init>(FileInputStream.java:138)
    at org.apache.catalina.startup.Catalina.stopServer(Catalina.java:428)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.catalina.startup.Bootstrap.stopServer(Bootstrap.java:398)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)

rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/WarLauncher.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/Launcher.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/PropertiesLauncher$ArchiveEntryFilter.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/archive/ExplodedArchive$1.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/archive/JarFileArchive$EntryIterator.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/archive/Archive.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/archive/JarFileArchive$JarFileEntry.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/archive/ExplodedArchive$FileEntryIterator$EntryComparator.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/archive/JarFileArchive.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/archive/ExplodedArchive$FileEntryIterator.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/archive/Archive$EntryFilter.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/loader/archive/ExplodedArchive$FileEntry.class': Permission denied
rm: cannot remove '/home/ubuntu/softwear/tomcat-8.0.48/webapps/bbk/org/springframework/boot/load

解决办法
在tomcat-8.0.48目录下执行

sudo chmod -R 777 webapps temp logs work conf