tomcat web project time delay several hours

Delay with normal time  

Modify catalina.sh

Add the first line of the non-comment area 

  If delayed by one hour,   "-Duser.timezone=GMT+07"

#
#   LOGGING_MANAGER (Optional) Override Tomcat's logging manager
#                   Example (all one line)
#                   LOGGING_MANAGER="-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager"
# -----------------------------------------------------------------------------

# OS specific support.  $var _must_ be set to either true or false.
JAVA_OPTS="$JAVA_OPTS -Dfile.encoding=UTF8  -Duser.timezone=GMT+07"
JAVA_OPTS="$JAVA_OPTS -Xms5120m -Xmx5120m -Xss512K -XX:PermSize=512M -XX:MaxPermSize=1024m"
cygwin=false
darwin=false
os400 = false
case "`uname`" in
CYGWIN*) cygwin=true;;
Darwin*) darwin=true;;
OS400*) os400=true;;
esac