在CentOS 7上导出Excel异常，提示(SunFontManager.java:377)

【背景】

操作系统：CentOS 7

项目：使用JDK11，EasyExcel 3.2.1导出Excel

【操作】web端导出Excel，日志提示异常，详细如下：

Caused by: java.lang.InternalError: java.lang.reflect.InvocationTargetException
	at java.desktop/sun.font.FontManagerFactory$1.run(FontManagerFactory.java:86)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.desktop/sun.font.FontManagerFactory.getInstance(FontManagerFactory.java:74)
	at java.desktop/java.awt.Font.getFont2D(Font.java:497)
	at java.desktop/java.awt.Font.canDisplayUpTo(Font.java:2250)
	at java.desktop/java.awt.font.TextLayout.singleFont(TextLayout.java:469)
	at java.desktop/java.awt.font.TextLayout.<init>(TextLayout.java:530)
	at org.apache.poi.ss.util.SheetUtil.getDefaultCharWidth(SheetUtil.java:273)
	at org.apache.poi.xssf.streaming.AutoSizeColumnTracker.<init>(AutoSizeColumnTracker.java:117)
	at org.apache.poi.xssf.streaming.SXSSFSheet.<init>(SXSSFSheet.java:82)
	at org.apache.poi.xssf.streaming.SXSSFWorkbook.createAndRegisterSXSSFSheet(SXSSFWorkbook.java:684)
	at org.apache.poi.xssf.streaming.SXSSFWorkbook.createSheet(SXSSFWorkbook.java:705)
	at org.apache.poi.xssf.streaming.SXSSFWorkbook.createSheet(SXSSFWorkbook.java:88)
	at com.alibaba.excel.util.WorkBookUtil.createSheet(WorkBookUtil.java:84)
	at com.alibaba.excel.context.WriteContextImpl.createSheet(WriteContextImpl.java:223)
	at com.alibaba.excel.context.WriteContextImpl.initSheet(WriteContextImpl.java:203)
	at com.alibaba.excel.context.WriteContextImpl.currentSheet(WriteContextImpl.java:135)
	at com.alibaba.excel.write.ExcelBuilderImpl.addContent(ExcelBuilderImpl.java:54)
	... 139 common frames omitted
Caused by: java.lang.reflect.InvocationTargetException: null
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
	at java.desktop/sun.font.FontManagerFactory$1.run(FontManagerFactory.java:84)
	... 156 common frames omitted
Caused by: java.lang.NullPointerException: null
	at java.desktop/sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1262)
	at java.desktop/sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:225)
	at java.desktop/sun.awt.FontConfiguration.init(FontConfiguration.java:107)
	at java.desktop/sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:719)
	at java.desktop/sun.font.SunFontManager$2.run(SunFontManager.java:377)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.desktop/sun.font.SunFontManager.<init>(SunFontManager.java:322)
	at java.desktop/sun.awt.FcFontManager.<init>(FcFontManager.java:35)
	at java.desktop/sun.awt.X11FontManager.<init>(X11FontManager.java:56)

　

【解决措施】

解决措施：

1、从本地window中取字体，C:\Windows\Fonts，并压缩成zip

2、上传到服务器上/usr/local/share/fonts，使生效

# fc-list :lang=zh

# fc-cache

3、重启java服务