centos下openjdk报:getVersion(FontConfiguration.java)异常,安装fontconfig无效问题的处理
jdk版本:openjdk version "1.8.0_41"centOS版本:CentOS Linux release 7.5.1804 (Core)问题:java项目中使用到验证码,使用oracle版本jdk一切正常,更换openjdk后报如下异常:java.lang.NullPointerExceptionat sun.awt.FontConfiguration.getVersion(Fo
jdk版本:openjdk version "1.8.0_41"
centOS版本:CentOS Linux release 7.5.1804 (Core)
问题:java项目中使用到验证码,使用oracle版本jdk一切正常,更换openjdk后报如下异常:
java.lang.NullPointerException
at sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1264)
at sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:219)
at sun.awt.FontConfiguration.init(FontConfiguration.java:107)
at sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:776)
at sun.font.SunFontManager$2.run(SunFontManager.java:431)
at java.security.AccessController.doPrivileged(Native Method)
at sun.font.SunFontManager.<init>(SunFontManager.java:376)
at sun.awt.X11FontManager.<init>(X11FontManager.java:57)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at java.lang.Class.newInstance(Class.java:442)
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:491)
at java.awt.Font.access$000(Font.java:224)
at java.awt.Font$FontAccessImpl.getFont2D(Font.java:228)
at sun.font.FontUtilities.getFont2D(FontUtilities.java:180)
at sun.java2d.SunGraphics2D.checkFontInfo(SunGraphics2D.java:669)
at sun.java2d.SunGraphics2D.getFontInfo(SunGraphics2D.java:830)
at sun.java2d.pipe.GlyphListPipe.drawChars(GlyphListPipe.java:86)
at sun.java2d.pipe.ValidatePipe.drawChars(ValidatePipe.java:178)
at sun.java2d.SunGraphics2D.drawChars(SunGraphics2D.java:3036)
。。。。。。。。。。。。。。。。。。。。
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at com.ztesoft.common.util.SqlAntiInjectionfilter.doFilter(SqlAntiInjectionfilter.java:69)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:165)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:452)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1195)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:654)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:319)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
问题原因:
缺少字体:dejavu
查看系统已安装字体:
[root@localhost ~]# fc-list
/usr/share/fonts/stix/STIX-Regular.otf: STIX:style=Regular
usr/share/fonts/stix/STIX-Italic.otf: STIX:style=Italic
/usr/share/fonts/stix/STIX-Bold.otf: STIX:style=Bold
发现没有dejavu相关字体。
我的环境使用的是光盘yum源,查找此字体:
[root@localhost fontconfig]# yum provides */dejavu
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
dejavu-sans-fonts-2.33-6.el7.noarch : Variable-width sans-serif font faces
Repo : c7-media
Matched from:
Filename : /usr/share/fonts/dejavu
dejavu-sans-mono-fonts-2.33-6.el7.noarch : Monospace sans-serif font faces
Repo : c7-media
Matched from:
Filename : /usr/share/fonts/dejavu
dejavu-serif-fonts-2.33-6.el7.noarch : Variable-width serif font faces
Repo : c7-media
Matched from:
Filename : /usr/share/fonts/dejavu
执行yum安装:
yum -y install fontconfig
yum -y install dejavu-sans-fonts-2.33-6.el7.noarch
yum -y install dejavu-sans-mono-fonts-2.33-6.el7.noarch
yum -y install dejavu-serif-fonts-2.33-6.el7.noarch
重新启动项目后问题解决。
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