使用itext，html转pdf使用报错：java.lang.NoSuchMethodError: com.lowagie.text.pdf.BaseFont.getCharBBox(C)

参考文章：

1.https://download.youkuaiyun.com/download/u010154779/9422443?utm_medium=distribute.pc_relevant.none-task-download-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-3.control&dist_request_id=1331989.11359.16187985183088423&depth_1-utm_source=distribute.pc_relevant.none-task-download-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-3.control

2.https://blog.youkuaiyun.com/qq_26595345/article/details/91371502

报错信息：

Stacktrace:
	at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:584)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.sudytech.system.permit.CorePermitRunFilter$FilterChainAction.run(CorePermitRunFilter.java:81)
	... 55 more
Caused by: javax.servlet.ServletException: java.lang.NoSuchMethodError: com.lowagie.text.pdf.BaseFont.getCharBBox(C)[I
	at org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:909)
	at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:838)
	at org.apache.jsp.ConvertHtmlToPDF_jsp._jspService(ConvertHtmlToPDF_jsp.java:294)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)
	... 64 more
Caused by: java.lang.NoSuchMethodError: com.lowagie.text.pdf.BaseFont.getCharBBox(C)[I
	at org.xhtmlrenderer.pdf.ITextFontResolver$FontDescription.setMetricDefaults(ITextFontResolver.java:679)
	at org.xhtmlrenderer.pdf.ITextFontResolver$FontDescription.<init>(ITextFontResolver.java:610)
	at org.xhtmlrenderer.pdf.ITextFontResolver.addCourier(ITextFontResolver.java:410)
	at org.xhtmlrenderer.pdf.ITextFontResolver.createInitialFontMap(ITextFontResolver.java:390)
	at org.xhtmlrenderer.pdf.ITextFontResolver.<init>(ITextFontResolver.java:52)
	at org.xhtmlrenderer.pdf.ITextRenderer.<init>(ITextRenderer.java:83)
	at org.xhtmlrenderer.pdf.ITextRenderer.<init>(ITextRenderer.java:70)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:800)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1471)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: javax.servlet.ServletException: java.lang.NoSuchMethodError: com.lowagie.text.pdf.BaseFont.getCharBBox(C)[I
	at org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:909)
	at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:838)
	at org.apache.jsp.ConvertHtmlToPDF_jsp._jspService(ConvertHtmlToPDF_jsp.java:294)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)
	... 64 more
Caused by: java.lang.NoSuchMethodError: com.lowagie.text.pdf.BaseFont.getCharBBox(C)[I
	at org.xhtmlrenderer.pdf.ITextFontResolver$FontDescription.setMetricDefaults(ITextFontResolver.java:679)
	at org.xhtmlrenderer.pdf.ITextFontResolver$FontDescription.<init>(ITextFontResolver.java:610)
	at org.xhtmlrenderer.pdf.ITextFontResolver.addCourier(ITextFontResolver.java:410)
	at org.xhtmlrenderer.pdf.ITextFontResolver.createInitialFontMap(ITextFontResolver.java:390)
	at org.xhtmlrenderer.pdf.ITextFontResolver.<init>(ITextFontResolver.java:52)
	at org.xhtmlrenderer.pdf.ITextRenderer.<init>(ITextRenderer.java:83)
	at org.xhtmlrenderer.pdf.ITextRenderer.<init>(ITextRenderer.java:70)
	at com.sudytech.core.analyze.util.ConvertHtmlToPDFUtil.htmlToPDF(ConvertHtmlToPDFUtil.java:32)
	at org.apache.jsp.ConvertHtmlToPDF_jsp._jspService(ConvertHtmlToPDF_jsp.java:252)
	... 67 more
	at com.sudytech.core.analyze.util.ConvertHtmlToPDFUtil.htmlToPDF(ConvertHtmlToPDFUtil.java:32)
	at org.apache.jsp.ConvertHtmlToPDF_jsp._jspService(ConvertHtmlToPDF_jsp.java:252)
	... 67 more

原因：项目中引用itext的版本为2.1.7，core-renderer版本为R8pre2。

		<dependency>
			<groupId>com.lowagie</groupId>
			<artifactId>itext</artifactId>
			<version>2.1.7</version>
		</dependency>
		
        <dependency>
            <groupId>org.xhtmlrenderer</groupId>
            <artifactId>core-renderer</artifactId>
            <version>R8pre2</version>
        </dependency>

解决方案：

1.引用itext2.0.8,只有Itext2.0.8才支持getCharBBox(char) ，其他的为getCharBBox(Int)

		<dependency>
			<groupId>com.lowagie</groupId>
			<artifactId>itext</artifactId>
			<version>2.0.8</version>
		</dependency>

2.不引用core-render,改为引用flying-saucer-pdf：

<dependency>
    <groupId>org.xhtmlrenderer</groupId>
    <artifactId>flying-saucer-pdf</artifactId>
    <version>9.0.8</version>
</dependency>