Sudden abnormality in dox4j?

problem description

dox4j merging documents has been no problem, today suddenly reported an error, looking for a long time Baidu can not find a way. Ask for help

the environmental background of the problems and what methods you have tried

related codes

/ / Please paste the code text below (do not replace the code with pictures)

[org.docx4j.jaxb.Context] - java.vendor=Oracle Corporation
Fri Aug 10 14:16:27 CST 2018 WARN: Establishing SSL connection without server"s identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn"t set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to "false". You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.
[org.docx4j.jaxb.Context] - java.version=1.8.0_172
[org.docx4j.jaxb.NamespacePrefixMapperUtils] - Using NamespacePrefixMapperSunInternal, which is suitable for Java 6
[org.docx4j.jaxb.Context] - Not using MOXy; using com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl
[org.docx4j.jaxb.Context] - Using Java 6+ JAXB implementation
[org.docx4j.utils.ResourceUtils] - Couldn"t get resource: docx4j.properties
log4j:ERROR Failed to excute sql
java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near "t get resource: docx4j.properties 
")" at line 1
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:118)
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:95)
    at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
    at com.mysql.cj.jdbc.StatementImpl.executeUpdateInternal(StatementImpl.java:1393)
    at com.mysql.cj.jdbc.StatementImpl.executeLargeUpdate(StatementImpl.java:2353)
    at com.mysql.cj.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1303)
    at org.apache.log4j.jdbc.JDBCAppender.execute(JDBCAppender.java:218)
    at org.apache.log4j.jdbc.JDBCAppender.flushBuffer(JDBCAppender.java:289)
    at org.apache.log4j.jdbc.JDBCAppender.append(JDBCAppender.java:186)
    at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
    at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66)
    at org.apache.log4j.Category.callAppenders(Category.java:206)
    at org.apache.log4j.Category.forcedLog(Category.java:391)
    at org.apache.log4j.Category.log(Category.java:856)
    at org.slf4j.impl.Log4jLoggerAdapter.warn(Log4jLoggerAdapter.java:400)
    at org.docx4j.utils.ResourceUtils.getResource(ResourceUtils.java:96)
    at org.docx4j.Docx4jProperties.init(Docx4jProperties.java:20)
    at org.docx4j.Docx4jProperties.getProperty(Docx4jProperties.java:28)
    at org.docx4j.XmlUtils.<clinit>(XmlUtils.java:162)
    at org.docx4j.openpackaging.contenttype.ContentTypeManager.parseContentTypesFile(ContentTypeManager.java:740)
    at org.docx4j.openpackaging.io3.Load3.get(Load3.java:134)
    at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:462)
    at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:379)
    at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:270)
    at org.docx4j.openpackaging.packages.OpcPackage.load(OpcPackage.java:250)
    at org.docx4j.openpackaging.packages.WordprocessingMLPackage.load(WordprocessingMLPackage.java:168)
    at com.ssm.utils.Merge.mergeDocx(Merge.java:66)
    at com.ssm.utils.Merge.conbine(Merge.java:30)
    at com.ssm.controller.SolrController.tree(SolrController.java:115)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    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:53)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    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:199)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:651)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:412)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:754)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1385)
    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)
[org.docx4j.Docx4jProperties] - Couldn"t find/read docx4j.properties; docx4j.properties not found via classloader.
[org.docx4j.XmlUtils] - setProperty com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl
[org.docx4j.XmlUtils] - actual: com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl
[org.docx4j.XmlUtils] - setProperty com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl
[org.docx4j.XmlUtils] - actual: com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl
[org.docx4j.utils.XPathFactoryUtil] - xpath implementation: org.apache.xpath.jaxp.XPathFactoryImpl
[org.docx4j.jaxb.NamespacePrefixMapperUtils] - Using NamespacePrefixMapperRelationshipsPartSunInternal, which is suitable for Java 6
  

Code for merging documents

 private static void insertDocx(MainDocumentPart main, byte[] bytes, int chunkId) {
        try {
            AlternativeFormatInputPart afiPart = new AlternativeFormatInputPart(
                    new PartName("/part" + chunkId + ".docx"));
            afiPart.setBinaryData(bytes);
            Relationship altChunkRel = main.addTargetPart(afiPart);

            org.docx4j.wml.CTAltChunk chunk = Context.getWmlObjectFactory().createCTAltChunk();
            chunk.setId(altChunkRel.getId());

            main.addObject(chunk);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

what result do you expect? What is the error message actually seen?

Apr.07,2021
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