I tried to add the option,
-Djava.awt.headless="true"
to the startup script, but it did not solve the problem
I printed the stacktrace, if it could be of interest in debugging:
WITH -Djava.awt.headless="true"
java.lang.NullPointerException
at
sun.awt.X11FontManager.getDefaultPlatformFont(X11FontManager.java:779)
at sun.font.SunFontManager$2.run(SunFontManager.java:432)
at java.security.AccessController.doPrivileged(Native Method)
at sun.font.SunFontManager.<init>(SunFontManager.java:375)
at sun.awt.X11FontManager.<init>(X11FontManager.java:32)
at sun.reflect.GeneratedConstructorAccessor9.newInstance(Unknown
Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc
torAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at java.lang.Class.newInstance0(Class.java:374)
at java.lang.Class.newInstance(Class.java:327)
at sun.font.FontManagerFactory$1.run(FontManagerFactory.java:83)
at java.security.AccessController.doPrivileged(Native Method)
at
sun.font.FontManagerFactory.getInstance(FontManagerFactory.java:74)
at java.awt.Font.getFont2D(Font.java:490)
at java.awt.Font.canDisplayUpTo(Font.java:2027)
at java.awt.font.TextLayout.singleFont(TextLayout.java:469)
at java.awt.font.TextLayout.<init>(TextLayout.java:527)
at
org.apache.poi.ss.util.SheetUtil.getColumnWidth(SheetUtil.java:208)
at
org.apache.poi.hssf.usermodel.HSSFSheet.autoSizeColumn(HSSFSheet.java:1949)
at
org.apache.poi.hssf.usermodel.HSSFSheet.autoSizeColumn(HSSFSheet.java:1932)
at gasit.DoReportEco.ridimensionaColonne(DoReportEco.java:389)
at gasit.DoReportEco.reportMateriale(DoReportEco.java:137)
at gasit.DoReportEco.execute(DoReportEco.java:48)
at gasit.ReportEco.doTutto(ReportEco.java:20)
at gasit.Prototype.doJob(Prototype.java:139)
at gasit.Prototype.doPost(Prototype.java:92)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:305)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:210)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:225)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:169)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase
.java:472)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168
)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:118)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Proce
ssor.java:999)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(Abstrac
tProtocol.java:565)
at
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:
1812)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:11
45)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:6
15)
at java.lang.Thread.run(Thread.java:722)
WITHOUT -Djava.awt.headless="true"
java.lang.NullPointerException
at
sun.awt.X11FontManager.getDefaultPlatformFont(X11FontManager.java:779)
at sun.font.SunFontManager$2.run(SunFontManager.java:432)
at java.security.AccessController.doPrivileged(Native Method)
at sun.font.SunFontManager.<init>(SunFontManager.java:375)
at sun.awt.X11FontManager.<init>(X11FontManager.java:32)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcces
sorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc
torAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at java.lang.Class.newInstance0(Class.java:374)
at java.lang.Class.newInstance(Class.java:327)
at sun.font.FontManagerFactory$1.run(FontManagerFactory.java:83)
at java.security.AccessController.doPrivileged(Native Method)
at
sun.font.FontManagerFactory.getInstance(FontManagerFactory.java:74)
at java.awt.Font.getFont2D(Font.java:490)
at java.awt.Font.canDisplayUpTo(Font.java:2027)
at java.awt.font.TextLayout.singleFont(TextLayout.java:469)
at java.awt.font.TextLayout.<init>(TextLayout.java:527)
at
org.apache.poi.ss.util.SheetUtil.getColumnWidth(SheetUtil.java:208)
at
org.apache.poi.hssf.usermodel.HSSFSheet.autoSizeColumn(HSSFSheet.java:1949)
at
org.apache.poi.hssf.usermodel.HSSFSheet.autoSizeColumn(HSSFSheet.java:1932)
at gasit.DoReportEco.ridimensionaColonne(DoReportEco.java:389)
at gasit.DoReportEco.reportMateriale(DoReportEco.java:137)
at gasit.DoReportEco.execute(DoReportEco.java:48)
at gasit.ReportEco.doTutto(ReportEco.java:20)
at gasit.Prototype.doJob(Prototype.java:139)
at gasit.Prototype.doPost(Prototype.java:92)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:305)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:210)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:225)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:169)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase
.java:472)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168
)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:118)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Proce
ssor.java:999)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(Abstrac
tProtocol.java:565)
at
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:
1812)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:11
45)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:6
15)
at java.lang.Thread.run(Thread.java:722)
WITH or WITHOUT that option, seems exactly the same:
Should I specify anything while COMPILING the classes ?
I.e. any compile options in order to exclude the graph, or should it be
sufficient the -Djava.awt.headless="true" at tomcat-level ?
Or maybe I am not setting the option properly !
this is the command line I modified
(later I could put it into /etc/tomcat/tomcat.conf, but now I hardcoded it
into /usr/sbin/dtomcat)
.....
if [ "$1" = "start" ]; then
${JAVACMD} $JAVA_OPTS $CATALINA_OPTS \
-classpath "$CLASSPATH" \
-Dcatalina.base="$CATALINA_BASE" \
-Dcatalina.home="$CATALINA_HOME" \
-Djava.awt.headless="true" \
-Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" \
-Djava.io.tmpdir="$CATALINA_TMPDIR" \
-Djava.util.logging.config.file="${CATALINA_BASE}/conf/logging.properties" \
-Djava.util.logging.manager="org.apache.juli.ClassLoaderLogManager" \
org.apache.catalina.startup.Bootstrap start \
>> ${CATALINA_BASE}/logs/catalina.out 2>&1 &
if [ ! -z "$CATALINA_PID" ]; then
echo $! > $CATALINA_PID
fi
elif [ "$1" = "start-security" ]; then
.....
Andrea
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