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NIFI-1265: 

- Upgrading to Jetty 9.3.
This commit is contained in:
Matt Gilman 2016-05-27 14:53:12 -04:00 committed by Mark Payne
parent 3e064101e9
commit e587c99855
16 changed files with 57 additions and 192 deletions
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13
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-jetty/pom.xml
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@ -51,27 +51,22 @@
<dependency> <dependency>
<groupId>org.eclipse.jetty</groupId> <groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-server</artifactId> <artifactId>jetty-server</artifactId>
<scope>compile</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>org.eclipse.jetty</groupId> <groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-servlet</artifactId> <artifactId>jetty-servlet</artifactId>
<scope>compile</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>org.eclipse.jetty</groupId> <groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-webapp</artifactId> <artifactId>jetty-webapp</artifactId>
<scope>compile</scope> </dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-annotations</artifactId>
</dependency> </dependency>
<dependency> <dependency>
<groupId>org.eclipse.jetty</groupId> <groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-servlets</artifactId> <artifactId>jetty-servlets</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-jsp</artifactId>
<scope>compile</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>com.sun.jersey</groupId> <groupId>com.sun.jersey</groupId>

10
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-jetty/src/main/java/org/apache/nifi/web/server/JettyServer.java
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@ -34,6 +34,7 @@ import org.apache.nifi.web.ContentAccess;
import org.apache.nifi.web.NiFiWebConfigurationContext; import org.apache.nifi.web.NiFiWebConfigurationContext;
import org.apache.nifi.web.NiFiWebContext; import org.apache.nifi.web.NiFiWebContext;
import org.apache.nifi.web.UiExtensionType; import org.apache.nifi.web.UiExtensionType;
import org.eclipse.jetty.annotations.AnnotationConfiguration;
import org.eclipse.jetty.server.Connector; import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.Handler; import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.HttpConfiguration; import org.eclipse.jetty.server.HttpConfiguration;
@ -51,6 +52,8 @@ import org.eclipse.jetty.util.resource.Resource;
import org.eclipse.jetty.util.resource.ResourceCollection; import org.eclipse.jetty.util.resource.ResourceCollection;
import org.eclipse.jetty.util.ssl.SslContextFactory; import org.eclipse.jetty.util.ssl.SslContextFactory;
import org.eclipse.jetty.util.thread.QueuedThreadPool; import org.eclipse.jetty.util.thread.QueuedThreadPool;
import org.eclipse.jetty.webapp.Configuration;
import org.eclipse.jetty.webapp.JettyWebXmlConfiguration;
import org.eclipse.jetty.webapp.WebAppClassLoader; import org.eclipse.jetty.webapp.WebAppClassLoader;
import org.eclipse.jetty.webapp.WebAppContext; import org.eclipse.jetty.webapp.WebAppContext;
import org.slf4j.Logger; import org.slf4j.Logger;
@ -133,6 +136,10 @@ public class JettyServer implements NiFiServer {
this.server = new Server(threadPool); this.server = new Server(threadPool);
this.props = props; this.props = props;
// enable the annotation based configuration to ensure the jsp container is initialized properly
final Configuration.ClassList classlist = Configuration.ClassList.setServerDefault(server);
classlist.addBefore(JettyWebXmlConfiguration.class.getName(), AnnotationConfiguration.class.getName());
// configure server // configure server
configureConnectors(server); configureConnectors(server);
@ -478,6 +485,9 @@ public class JettyServer implements NiFiServer {
webappContext.setContextPath(contextPath); webappContext.setContextPath(contextPath);
webappContext.setDisplayName(contextPath); webappContext.setDisplayName(contextPath);
// instruction jetty to examine these jars for tlds, web-fragments, etc
webappContext.setAttribute("org.eclipse.jetty.server.webapp.ContainerIncludeJarPattern", ".*/[^/]*servlet-api-[^/]*\\.jar$|.*/javax.servlet.jsp.jstl-.*\\\\.jar$|.*/[^/]*taglibs.*\\.jar$" );
// remove slf4j server class to allow WAR files to have slf4j dependencies in WEB-INF/lib // remove slf4j server class to allow WAR files to have slf4j dependencies in WEB-INF/lib
List<String> serverClasses = new ArrayList<>(Arrays.asList(webappContext.getServerClasses())); List<String> serverClasses = new ArrayList<>(Arrays.asList(webappContext.getServerClasses()));
serverClasses.remove("org.slf4j."); serverClasses.remove("org.slf4j.");

16
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-content-viewer/pom.xml
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@ -76,25 +76,9 @@
<artifactId>tika-core</artifactId> <artifactId>tika-core</artifactId>
<version>1.7</version> <version>1.7</version>
</dependency> </dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency> <dependency>
<groupId>javax.servlet</groupId> <groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId> <artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency> </dependency>
</dependencies> </dependencies>
<build> <build>

16
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-docs/pom.xml
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@ -42,25 +42,9 @@
<artifactId>nifi-utils</artifactId> <artifactId>nifi-utils</artifactId>
<scope>provided</scope> <scope>provided</scope>
</dependency> </dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency> <dependency>
<groupId>javax.servlet</groupId> <groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId> <artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency> </dependency>
</dependencies> </dependencies>
</project> </project>

21
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-docs/src/main/java/org/apache/nifi/web/docs/DocumentationController.java
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@ -16,27 +16,24 @@
*/ */
package org.apache.nifi.web.docs; package org.apache.nifi.web.docs;
import org.apache.commons.lang3.StringUtils;
import org.apache.nifi.nar.ExtensionMapping;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException; import java.io.IOException;
import java.text.Collator; import java.text.Collator;
import java.util.Locale; import java.util.Locale;
import java.util.Map; import java.util.Map;
import java.util.TreeMap; import java.util.TreeMap;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.nifi.nar.ExtensionMapping;
import org.apache.commons.lang3.StringUtils;
/** /**
* *
*/ */
@WebServlet(name = "DocumenationController", urlPatterns = {"/*"})
public class DocumentationController extends HttpServlet { public class DocumentationController extends HttpServlet {
private static final int GENERAL_LINK_COUNT = 4; private static final int GENERAL_LINK_COUNT = 4;

16
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-error/pom.xml
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@ -30,22 +30,6 @@
<dependency> <dependency>
<groupId>javax.servlet</groupId> <groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId> <artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
<scope>provided</scope>
</dependency> </dependency>
</dependencies> </dependencies>
</project> </project>

16
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/pom.xml
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@ -761,22 +761,6 @@
<dependency> <dependency>
<groupId>javax.servlet</groupId> <groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId> <artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
<scope>provided</scope>
</dependency> </dependency>
</dependencies> </dependencies>
</project> </project>

11
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/java/org/apache/nifi/web/servlet/DownloadSvg.java
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@ -16,20 +16,19 @@
*/ */
package org.apache.nifi.web.servlet; package org.apache.nifi.web.servlet;
import java.io.IOException; import org.slf4j.Logger;
import java.io.PrintWriter; import org.slf4j.LoggerFactory;
import javax.servlet.ServletException; import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger; import java.io.IOException;
import org.slf4j.LoggerFactory; import java.io.PrintWriter;
/** /**
* *
*/ */
@WebServlet(name = "DownloadSvg", urlPatterns = {"/download-svg"})
public class DownloadSvg extends HttpServlet { public class DownloadSvg extends HttpServlet {
private static final Logger logger = LoggerFactory.getLogger(DownloadSvg.class); private static final Logger logger = LoggerFactory.getLogger(DownloadSvg.class);

12
nifi-nar-bundles/nifi-image-bundle/nifi-image-viewer/pom.xml
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@ -32,18 +32,6 @@
<groupId>org.apache.nifi</groupId> <groupId>org.apache.nifi</groupId>
<artifactId>nifi-api</artifactId> <artifactId>nifi-api</artifactId>
</dependency> </dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
</dependency>
<dependency> <dependency>
<groupId>javax.servlet</groupId> <groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId> <artifactId>javax.servlet-api</artifactId>

7
nifi-nar-bundles/nifi-image-bundle/nifi-image-viewer/src/main/java/org/apache/nifi/web/ImageViewerController.java
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@ -16,16 +16,13 @@
*/ */
package org.apache.nifi.web; package org.apache.nifi.web;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException; import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
@WebServlet(name = "ImageViewer", urlPatterns = {"/view-content"})
public class ImageViewerController extends HttpServlet { public class ImageViewerController extends HttpServlet {
/** /**

20
nifi-nar-bundles/nifi-jetty-bundle/pom.xml
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@ -49,22 +49,17 @@
</dependency> </dependency>
<dependency> <dependency>
<groupId>org.eclipse.jetty</groupId> <groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-jsp</artifactId> <artifactId>jetty-annotations</artifactId>
<scope>compile</scope> <scope>compile</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>javax.servlet.jsp</groupId> <groupId>org.eclipse.jetty</groupId>
<artifactId>javax.servlet.jsp-api</artifactId> <artifactId>apache-jsp</artifactId>
<scope>compile</scope> <scope>compile</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>javax.el</groupId> <groupId>org.eclipse.jetty</groupId>
<artifactId>javax.el-api</artifactId> <artifactId>apache-jstl</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
<scope>compile</scope> <scope>compile</scope>
</dependency> </dependency>
<dependency> <dependency>
@ -72,10 +67,5 @@
<artifactId>javax.servlet-api</artifactId> <artifactId>javax.servlet-api</artifactId>
<scope>compile</scope> <scope>compile</scope>
</dependency> </dependency>
<dependency>
<groupId>org.eclipse.jetty.toolchain</groupId>
<artifactId>jetty-jsp-jdt</artifactId>
<scope>compile</scope>
</dependency>
</dependencies> </dependencies>
</project> </project>

16
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-content-viewer/pom.xml
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@ -55,25 +55,9 @@
<groupId>org.apache.nifi</groupId> <groupId>org.apache.nifi</groupId>
<artifactId>nifi-api</artifactId> <artifactId>nifi-api</artifactId>
</dependency> </dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency> <dependency>
<groupId>javax.servlet</groupId> <groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId> <artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency> </dependency>
</dependencies> </dependencies>
</project> </project>

10
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-content-viewer/src/main/java/org/apache/nifi/web/StandardContentViewerController.java
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@ -17,12 +17,9 @@
package org.apache.nifi.web; package org.apache.nifi.web;
import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException; import org.apache.nifi.web.ViewableContent.DisplayMode;
import java.io.PrintWriter;
import java.io.StringWriter;
import javax.servlet.ServletException; import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpServletResponse;
@ -33,9 +30,10 @@ import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError; import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.stream.StreamResult; import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource; import javax.xml.transform.stream.StreamSource;
import org.apache.nifi.web.ViewableContent.DisplayMode; import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
@WebServlet(name = "StandardContentViewer", urlPatterns = {"/view-content"})
public class StandardContentViewerController extends HttpServlet { public class StandardContentViewerController extends HttpServlet {
/** /**

21
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/test/java/org/apache/nifi/processors/standard/TestInvokeHTTP.java
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@ -16,16 +16,6 @@
*/ */
package org.apache.nifi.processors.standard; package org.apache.nifi.processors.standard;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.nifi.processors.standard.util.TestInvokeHttpCommon; import org.apache.nifi.processors.standard.util.TestInvokeHttpCommon;
import org.apache.nifi.ssl.StandardSSLContextService; import org.apache.nifi.ssl.StandardSSLContextService;
import org.apache.nifi.util.MockFlowFile; import org.apache.nifi.util.MockFlowFile;
@ -39,6 +29,15 @@ import org.junit.Before;
import org.junit.BeforeClass; import org.junit.BeforeClass;
import org.junit.Test; import org.junit.Test;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
public class TestInvokeHTTP extends TestInvokeHttpCommon { public class TestInvokeHTTP extends TestInvokeHttpCommon {
@ -183,7 +182,7 @@ public class TestInvokeHTTP extends TestInvokeHttpCommon {
if ("Get".equalsIgnoreCase(request.getMethod())) { if ("Get".equalsIgnoreCase(request.getMethod())) {
response.setStatus(200); response.setStatus(200);
String proxyPath = baseRequest.getUri().toString(); String proxyPath = baseRequest.getHttpURI().toString();
response.setContentLength(proxyPath.length()); response.setContentLength(proxyPath.length());
response.setContentType("text/plain"); response.setContentType("text/plain");

16
nifi-nar-bundles/nifi-update-attribute-bundle/nifi-update-attribute-ui/pom.xml
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@ -55,25 +55,9 @@
<groupId>org.apache.nifi</groupId> <groupId>org.apache.nifi</groupId>
<artifactId>nifi-expression-language</artifactId> <artifactId>nifi-expression-language</artifactId>
</dependency> </dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency> <dependency>
<groupId>javax.servlet</groupId> <groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId> <artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>com.sun.jersey</groupId> <groupId>com.sun.jersey</groupId>

28
pom.xml
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@ -88,7 +88,7 @@ language governing permissions and limitations under the License. -->
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<inceptionYear>2014</inceptionYear> <inceptionYear>2014</inceptionYear>
<org.slf4j.version>1.7.12</org.slf4j.version> <org.slf4j.version>1.7.12</org.slf4j.version>
<jetty.version>9.2.11.v20150529</jetty.version> <jetty.version>9.3.9.v20160517</jetty.version>
<lucene.version>4.10.4</lucene.version> <lucene.version>4.10.4</lucene.version>
<spring.version>4.2.4.RELEASE</spring.version> <spring.version>4.2.4.RELEASE</spring.version>
<spring.security.version>4.0.3.RELEASE</spring.security.version> <spring.security.version>4.0.3.RELEASE</spring.security.version>
@ -696,26 +696,20 @@ language governing permissions and limitations under the License. -->
</dependency> </dependency>
<dependency> <dependency>
<groupId>org.eclipse.jetty</groupId> <groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-jsp</artifactId> <artifactId>jetty-annotations</artifactId>
<version>${jetty.version}</version> <version>${jetty.version}</version>
<scope>provided</scope> <scope>provided</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>javax.servlet.jsp</groupId> <groupId>org.eclipse.jetty</groupId>
<artifactId>javax.servlet.jsp-api</artifactId> <artifactId>apache-jsp</artifactId>
<version>2.3.1</version> <version>${jetty.version}</version>
<scope>provided</scope> <scope>provided</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>javax.el</groupId> <groupId>org.eclipse.jetty</groupId>
<artifactId>javax.el-api</artifactId> <artifactId>apache-jstl</artifactId>
<version>3.0.0</version> <version>${jetty.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
<version>1.2.1</version>
<scope>provided</scope> <scope>provided</scope>
</dependency> </dependency>
<dependency> <dependency>
@ -724,12 +718,6 @@ language governing permissions and limitations under the License. -->
<version>3.1.0</version> <version>3.1.0</version>
<scope>provided</scope> <scope>provided</scope>
</dependency> </dependency>
<dependency>
<groupId>org.eclipse.jetty.toolchain</groupId>
<artifactId>jetty-jsp-jdt</artifactId>
<version>2.3.3</version>
<scope>provided</scope>
</dependency>
<dependency> <dependency>
<groupId>com.google.guava</groupId> <groupId>com.google.guava</groupId>
<artifactId>guava</artifactId> <artifactId>guava</artifactId>