springboot整合hive-jdbc遇到的坑

问题描述：springboot整合hive-jdbc时，pom文件加入hive-client依赖，eclipse启动，项目正常启动，访问正常。打成jar包放到服务器启动正常，访问报错如下：

org.apache.jasper.JasperException: /views/public.jsp(3,62) PWC6188: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
	at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:89) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:375) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:169) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:433) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:238) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:498) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:578) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1642) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.Parser.parse(Parser.java:181) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:239) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.ParserController.parse(ParserController.java:156) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.Parser.processIncludeDirective(Parser.java:390) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.Parser.parseIncludeDirective(Parser.java:427) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:570) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1642) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.Parser.parse(Parser.java:181) ~[jsp-2.1-6.1.14.jar!/:6.1.14]
	at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:239) ~[jsp-2.1-6.1.14.jar!/:6.1.14]

原因分析：貌似是缺少jstl的jar包，检查后发现自己项目lib里有啊~~~，实际原因：jar包冲突。因为springboot内嵌tomcat，而hive-jdbc也有一堆附加依赖tomcat、jasper的jar（具体没看，大概瞅了一眼）。

解决：hive-jdbc依赖排除一切和自己想要的功能无关附加依赖，具体如下：

<dependency>
	<groupId>org.apache.hive</groupId>
	<artifactId>hive-jdbc</artifactId>
	<version>2.3.2</version>
	<exclusions>
		<exclusion>
			<groupId>org.eclipse.jetty.aggregate</groupId>
			<artifactId>jetty-all</artifactId>
		</exclusion>
		<exclusion>
			<groupId>org.apache.hive</groupId>
			<artifactId>hive-shims</artifactId>
		</exclusion>
		<exclusion>
			<artifactId>jasper-compiler</artifactId>
			<groupId>tomcat</groupId>
		</exclusion>
	        <exclusion>
			 <artifactId>jasper-runtime</artifactId>
			  <groupId>tomcat</groupId>
		</exclusion>
		<exclusion>
			<artifactId>servlet-api</artifactId>
			<groupId>javax.servlet</groupId>
		</exclusion>
		<exclusion>
			<artifactId>log4j-slf4j-impl</artifactId>
			<groupId>org.apache.logging.log4j</groupId>
		</exclusion>
		<exclusion>
			<artifactId>slf4j-log4j12</artifactId>
			<groupId>org.slf4j</groupId>
		</exclusion>
		<exclusion>
                    <groupId>tomcat</groupId>
                    <artifactId>*</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>ch.qos.logback</groupId>
                    <artifactId>logback-classic</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.eclipse.jetty.orbit</groupId>
                    <artifactId>*</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.eclipse.jetty.aggregate</groupId>
                    <artifactId>*</artifactId>
                </exclusion>
                 <exclusion>
                    <groupId>javax.servlet</groupId>
                    <artifactId>servlet-api</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.mortbay.jetty</groupId>
                    <artifactId>*</artifactId>
                </exclusion>
	</exclusions>
</dependency>

OK，页面访问正常了~