idea 项目启动报错解决，java.lang.OutOfMemoryError:Java heap space

问题：tomcat堆内存设置过小
解决方法：重新修改tomcat配置，

@echo offrem Licensed to the Apache Software Foundation (ASF) under one or morerem contributor license agreements.  See the NOTICE file distributed withrem this work for additional information regarding copyright ownership.rem The ASF licenses this file to You under the Apache License, Version 2.0rem (the "License"); you may not use this file except in compliance withrem the License.  You may obtain a copy of the License atremrem     http://www.apache.org/licenses/LICENSE-2.0remrem Unless required by applicable law or agreed to in writing, softwarerem distributed under the License is distributed on an "AS IS" BASIS,rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.rem See the License for the specific language governing permissions andrem limitations under the License.rem ---------------------------------------------------------------------------rem Start/Stop Script for the CATALINA Serverremrem Environment Variable Prerequisitesremrem   Do not set the variables in this script. Instead put them into a scriptrem   setenv.bat in CATALINA_BASE/bin to keep your customizations separate.remrem   CATALINA_HOME   May point at your Catalina "build" directory.remrem   CATALINA_BASE   (Optional) Base directory for resolving dynamic portionsrem                   of a Catalina installation.  If not present, resolves torem                   the same directory that CATALINA_HOME points to.remrem   CATALINA_OPTS   (Optional) Java runtime options used when the "start",rem                   "run" or "debug" command is executed.rem                   Include here and not in JAVA_OPTS all options, that shouldrem                   only be used by Tomcat itself, not by the stop process,rem                   the version command etc.rem                   Examples are heap size, GC logging, JMX ports etc.remrem   CATALINA_TMPDIR (Optional) Directory path location of temporary directoryrem                   the JVM should use (java.io.tmpdir).  Defaults torem                   %CATALINA_BASE%\temp.remrem   JAVA_HOME       Must point at your Java Development Kit installation.rem                   Required to run the with the "debug" argument.remrem   JRE_HOME        Must point at your Java Runtime installation.rem                   Defaults to JAVA_HOME if empty. If JRE_HOME and JAVA_HOMErem                   are both set, JRE_HOME is used.remrem   JAVA_OPTS       (Optional) Java runtime options used when any commandrem                   is executed.rem                   Include here and not in CATALINA_OPTS all options, thatrem                   should be used by Tomcat and also by the stop process,rem                   the version command etc.rem                   Most options should go into CATALINA_OPTS.remrem   JAVA_ENDORSED_DIRS (Optional) Lists of of semi-colon separated directoriesrem                   containing some jars in order to allow replacement of APIsrem                   created outside of the JCP (i.e. DOM and SAX from W3C).rem                   It can also be used to update the XML parser implementation.rem                   Defaults to $CATALINA_HOME/endorsed.remrem   JPDA_TRANSPORT  (Optional) JPDA transport used when the "jpda start"rem                   command is executed. The default is "dt_socket".remrem   JPDA_ADDRESS    (Optional) Java runtime options used when the "jpda start"rem                   command is executed. The default is localhost:8000.remrem   JPDA_SUSPEND    (Optional) Java runtime options used when the "jpda start"rem                   command is executed. Specifies whether JVM should suspendrem                   execution immediately after startup. Default is "n".remrem   JPDA_OPTS       (Optional) Java runtime options used when the "jpda start"rem                   command is executed. If used, JPDA_TRANSPORT, JPDA_ADDRESS,rem                   and JPDA_SUSPEND are ignored. Thus, all required jpdarem                   options MUST be specified. The default is:remrem                   -agentlib:jdwp=transport=%JPDA_TRANSPORT%,rem                       address=%JPDA_ADDRESS%,server=y,suspend=%JPDA_SUSPEND%remrem   LOGGING_CONFIG  (Optional) Override Tomcat's logging config filerem                   Example (all one line)rem                   set LOGGING_CONFIG="-Djava.util.logging.config.file=%CATALINA_BASE%\conf\logging.properties"remrem   LOGGING_MANAGER (Optional) Override Tomcat's logging managerrem                   Example (all one line)rem                   set LOGGING_MANAGER="-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager"remrem   TITLE           (Optional) Specify the title of Tomcat window. The defaultrem                   TITLE is Tomcat if it's not specified.rem                   Example (all one line)rem                   set TITLE=Tomcat.Cluster#1.Server#1 [%DATE% %TIME%]rem ---------------------------------------------------------------------------setlocalrem Suppress Terminate batch job on CTRL+Cif not ""%1"" == ""run"" goto mainEntryif "%TEMP%" == "" goto mainEntryif exist "%TEMP%\%~nx0.run" goto mainEntryecho Y>"%TEMP%\%~nx0.run"if not exist "%TEMP%\%~nx0.run" goto mainEntryecho Y>"%TEMP%\%~nx0.Y"call "%~f0" %* <"%TEMP%\%~nx0.Y"rem Use provided errorlevelset RETVAL=%ERRORLEVEL%del /Q "%TEMP%\%~nx0.Y" >NUL 2>&1exit /B %RETVAL%:mainEntrydel /Q "%TEMP%\%~nx0.run" >NUL 2>&1rem Guess CATALINA_HOME if not definedset "CURRENT_DIR=%cd%"if not "%CATALINA_HOME%" == "" goto gotHomeset "CATALINA_HOME=%CURRENT_DIR%"if exist "%CATALINA_HOME%\bin\catalina.bat" goto okHomecd ..set "CATALINA_HOME=%cd%"cd "%CURRENT_DIR%":gotHomeif exist "%CATALINA_HOME%\bin\catalina.bat" goto okHomeecho The CATALINA_HOME environment variable is not defined correctlyecho This environment variable is needed to run this programgoto end:okHomerem Copy CATALINA_BASE from CATALINA_HOME if not definedif not "%CATALINA_BASE%" == "" goto gotBaseset "CATALINA_BASE=%CATALINA_HOME%":gotBaserem Ensure that neither CATALINA_HOME nor CATALINA_BASE contains a semi-colonrem as this is used as the separator in the classpath and Java provides norem mechanism for escaping if the same character appears in the path. Check thisrem by replacing all occurrences of ';' with '' and checking that neitherrem CATALINA_HOME nor CATALINA_BASE have changedif "%CATALINA_HOME%" == "%CATALINA_HOME:;=%" goto homeNoSemicolonecho Using CATALINA_HOME:   "%CATALINA_HOME%"echo Unable to start as CATALINA_HOME contains a semicolon (;) charactergoto end:homeNoSemicolonif "%CATALINA_BASE%" == "%CATALINA_BASE:;=%" goto baseNoSemicolonecho Using CATALINA_BASE:   "%CATALINA_BASE%"echo Unable to start as CATALINA_BASE contains a semicolon (;) charactergoto end:baseNoSemicolonrem Ensure that any user defined CLASSPATH variables are not used on startup,rem but allow them to be specified in setenv.bat, in rare case when it is needed.set CLASSPATH=rem Get standard environment variablesif not exist "%CATALINA_BASE%\bin\setenv.bat" goto checkSetenvHomecall "%CATALINA_BASE%\bin\setenv.bat"goto setenvDone:checkSetenvHomeif exist "%CATALINA_HOME%\bin\setenv.bat" call "%CATALINA_HOME%\bin\setenv.bat":setenvDonerem Get standard Java environment variablesif exist "%CATALINA_HOME%\bin\setclasspath.bat" goto okSetclasspathecho Cannot find "%CATALINA_HOME%\bin\setclasspath.bat"echo This file is needed to run this programgoto end:okSetclasspathcall "%CATALINA_HOME%\bin\setclasspath.bat" %1if errorlevel 1 goto endrem Add on extra jar file to CLASSPATHrem Note that there are no quotes as we do not want to introduce randomrem quotes into the CLASSPATHif "%CLASSPATH%" == "" goto emptyClasspathset "CLASSPATH=%CLASSPATH%;":emptyClasspathset "CLASSPATH=%CLASSPATH%%CATALINA_HOME%\bin\bootstrap.jar"if not "%CATALINA_TMPDIR%" == "" goto gotTmpdirset "CATALINA_TMPDIR=%CATALINA_BASE%\temp":gotTmpdirrem Add tomcat-juli.jar to classpathrem tomcat-juli.jar can be over-ridden per instanceif not exist "%CATALINA_BASE%\bin\tomcat-juli.jar" goto juliClasspathHomeset "CLASSPATH=%CLASSPATH%;%CATALINA_BASE%\bin\tomcat-juli.jar"goto juliClasspathDone:juliClasspathHomeset "CLASSPATH=%CLASSPATH%;%CATALINA_HOME%\bin\tomcat-juli.jar":juliClasspathDoneif not "%LOGGING_CONFIG%" == "" goto noJuliConfigset LOGGING_CONFIG=-Dnopif not exist "%CATALINA_BASE%\conf\logging.properties" goto noJuliConfigset LOGGING_CONFIG=-Djava.util.logging.config.file="%CATALINA_BASE%\conf\logging.properties":noJuliConfigset "JAVA_OPTS=%JAVA_OPTS% %LOGGING_CONFIG%"if not "%LOGGING_MANAGER%" == "" goto noJuliManagerset LOGGING_MANAGER=-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager:noJuliManagerset "JAVA_OPTS=%JAVA_OPTS% %LOGGING_MANAGER%"rem ----- Execute The Requested Command ---------------------------------------echo Using CATALINA_BASE:   "%CATALINA_BASE%"echo Using CATALINA_HOME:   "%CATALINA_HOME%"echo Using CATALINA_TMPDIR: "%CATALINA_TMPDIR%"if ""%1"" == ""debug"" goto use_jdkecho Using JRE_HOME:        "%JRE_HOME%"goto java_dir_displayed:use_jdkecho Using JAVA_HOME:       "%JAVA_HOME%":java_dir_displayedecho Using CLASSPATH:       "%CLASSPATH%"set _EXECJAVA=%_RUNJAVA%set MAINCLASS=org.apache.catalina.startup.Bootstrapset ACTION=startset SECURITY_POLICY_FILE=set DEBUG_OPTS=set JPDA=if not ""%1"" == ""jpda"" goto noJpdaset JPDA=jpdaif not "%JPDA_TRANSPORT%" == "" goto gotJpdaTransportset JPDA_TRANSPORT=dt_socket:gotJpdaTransportif not "%JPDA_ADDRESS%" == "" goto gotJpdaAddressset JPDA_ADDRESS=localhost:8000:gotJpdaAddressif not "%JPDA_SUSPEND%" == "" goto gotJpdaSuspendset JPDA_SUSPEND=n:gotJpdaSuspendif not "%JPDA_OPTS%" == "" goto gotJpdaOptsset JPDA_OPTS=-agentlib:jdwp=transport=%JPDA_TRANSPORT%,address=%JPDA_ADDRESS%,server=y,suspend=%JPDA_SUSPEND%:gotJpdaOptsshift:noJpdaif ""%1"" == ""debug"" goto doDebugif ""%1"" == ""run"" goto doRunif ""%1"" == ""start"" goto doStartif ""%1"" == ""stop"" goto doStopif ""%1"" == ""configtest"" goto doConfigTestif ""%1"" == ""version"" goto doVersionecho Usage:  catalina ( commands ... )echo commands:echo   debug             Start Catalina in a debuggerecho   debug -security   Debug Catalina with a security managerecho   jpda start        Start Catalina under JPDA debuggerecho   run               Start Catalina in the current windowecho   run -security     Start in the current window with security managerecho   start             Start Catalina in a separate windowecho   start -security   Start in a separate window with security managerecho   stop              Stop Catalinaecho   configtest        Run a basic syntax check on server.xmlecho   version           What version of tomcat are you running?goto end:doDebugshiftset _EXECJAVA=%_RUNJDB%set DEBUG_OPTS=-sourcepath "%CATALINA_HOME%\..\..\java"if not ""%1"" == ""-security"" goto execCmdshiftecho Using Security Managerset "SECURITY_POLICY_FILE=%CATALINA_BASE%\conf\catalina.policy"goto execCmd:doRunshiftif not ""%1"" == ""-security"" goto execCmdshiftecho Using Security Managerset "SECURITY_POLICY_FILE=%CATALINA_BASE%\conf\catalina.policy"goto execCmd:doStartshiftif "%TITLE%" == "" set TITLE=Tomcatset _EXECJAVA=start "%TITLE%" %_RUNJAVA%if not ""%1"" == ""-security"" goto execCmdshiftecho Using Security Managerset "SECURITY_POLICY_FILE=%CATALINA_BASE%\conf\catalina.policy"goto execCmd:doStopshiftset ACTION=stopset CATALINA_OPTS=goto execCmd:doConfigTestshiftset ACTION=configtestset CATALINA_OPTS=goto execCmd:doVersion%_EXECJAVA% -classpath "%CATALINA_HOME%\lib\catalina.jar" org.apache.catalina.util.ServerInfogoto end:execCmdrem Get remaining unshifted command line arguments and save them in theset CMD_LINE_ARGS=:setArgsif ""%1""=="""" goto doneSetArgsset CMD_LINE_ARGS=%CMD_LINE_ARGS% %1shiftgoto setArgs:doneSetArgsrem Execute Java with the applicable propertiesif not "%JPDA%" == "" goto doJpdaif not "%SECURITY_POLICY_FILE%" == "" goto doSecurity%_EXECJAVA% %JAVA_OPTS% %CATALINA_OPTS% %DEBUG_OPTS% -Djava.endorsed.dirs="%JAVA_ENDORSED_DIRS%" -classpath "%CLASSPATH%" -Dcatalina.base="%CATALINA_BASE%" -Dcatalina.home="%CATALINA_HOME%" -Djava.io.tmpdir="%CATALINA_TMPDIR%" %MAINCLASS% %CMD_LINE_ARGS% %ACTION%goto end:doSecurity%_EXECJAVA% %JAVA_OPTS% %CATALINA_OPTS% %DEBUG_OPTS% -Djava.endorsed.dirs="%JAVA_ENDORSED_DIRS%" -classpath "%CLASSPATH%" -Djava.security.manager -Djava.security.policy=="%SECURITY_POLICY_FILE%" -Dcatalina.base="%CATALINA_BASE%" -Dcatalina.home="%CATALINA_HOME%" -Djava.io.tmpdir="%CATALINA_TMPDIR%" %MAINCLASS% %CMD_LINE_ARGS% %ACTION%goto end:doJpdaif not "%SECURITY_POLICY_FILE%" == "" goto doSecurityJpda%_EXECJAVA% %JAVA_OPTS% %CATALINA_OPTS% %JPDA_OPTS% %DEBUG_OPTS% -Djava.endorsed.dirs="%JAVA_ENDORSED_DIRS%" -classpath "%CLASSPATH%" -Dcatalina.base="%CATALINA_BASE%" -Dcatalina.home="%CATALINA_HOME%" -Djava.io.tmpdir="%CATALINA_TMPDIR%" %MAINCLASS% %CMD_LINE_ARGS% %ACTION%goto end:doSecurityJpda%_EXECJAVA% %JAVA_OPTS% %CATALINA_OPTS% %JPDA_OPTS% %DEBUG_OPTS% -Djava.endorsed.dirs="%JAVA_ENDORSED_DIRS%" -classpath "%CLASSPATH%" -Djava.security.manager -Djava.security.policy=="%SECURITY_POLICY_FILE%" -Dcatalina.base="%CATALINA_BASE%" -Dcatalina.home="%CATALINA_HOME%" -Djava.io.tmpdir="%CATALINA_TMPDIR%" %MAINCLASS% %CMD_LINE_ARGS% %ACTION%goto end:end