NIFI-4092: This closes #2365.

- Removing direct dependency on jaxb.

Signed-off-by: joewitt <joewitt@apache.org>

nifi-nar-bundles/nifi-framework-bundle/nifi-framework-nar/src/main/resources/META-INF/NOTICE

@@ -183,8 +183,6 @@ The following binary components are provided under the Common Development and Di
     (CDDL 1.1) (GPL2 w/ CPE) asm-all-repackaged (org.glassfish.hk2.external:asm-all-repackaged:jar:2.5.0-b42 - https://javaee.github.io/glassfish/)
     (CDDL 1.1) (GPL2 w/ CPE) aopalliance-repackaged (org.glassfish.hk2.external:aopalliance-repackaged:jar:2.5.0-b42 - https://javaee.github.io/glassfish/)
     (CDDL 1.1) (GPL2 w/ CPE) javax.inject:1 as OSGi bundle (org.glassfish.hk2.external:javax.inject:jar:2.4.0-b25 - https://hk2.java.net/external/javax.inject)
-    (CDDL 1.1) (GPL2 w/ CPE) Old JAXB Runtime (com.sun.xml.bind:jaxb-impl:jar:2.2.3-1 - http://jaxb.java.net/)
-    (CDDL 1.1) (GPL2 w/ CPE) Java Architecture For XML Binding (javax.xml.bind:jaxb-api:jar:2.2.2 - https://jaxb.dev.java.net/)
     (CDDL 1.1) (GPL2 w/ CPE) MIME Streaming Extension (org.jvnet.mimepull:mimepull:jar:1.9.3 - http://mimepull.java.net)
     (CDDL 1.1) (GPL2 w/ CPE) JavaMail API (compat) (javax.mail:mail:jar:1.4.7 - http://kenai.com/projects/javamail/mail)
     (CDDL 1.1) (GPL2 w/ CPE) javax.ws.rs-api (javax.ws.rs:javax.ws.rs-api:jar:2.1 - http://jax-rs-spec.java.net)

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/pom.xml

@@ -103,11 +103,6 @@
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk15on</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.sun.xml.bind</groupId>
-            <artifactId>jaxb-impl</artifactId>
-            <version>2.2.3-1</version>
-        </dependency>
         <dependency>
             <groupId>org.glassfish.jersey.core</groupId>
             <artifactId>jersey-client</artifactId>

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/persistence/TemplateSerializer.java

@@ -25,11 +25,6 @@ import javax.xml.bind.Marshaller;
 import java.io.BufferedOutputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import javax.xml.stream.XMLOutputFactory;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamWriter;
-
-import com.sun.xml.txw2.output.IndentingXMLStreamWriter;
 
 public final class TemplateSerializer {
 
@@ -46,13 +41,12 @@ public final class TemplateSerializer {
 
             JAXBContext context = JAXBContext.newInstance(TemplateDTO.class);
             Marshaller marshaller = context.createMarshaller();
-            XMLOutputFactory xmlof = XMLOutputFactory.newInstance();
+            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
-            XMLStreamWriter writer = new IndentingXMLStreamWriter(xmlof.createXMLStreamWriter(bos));
+            marshaller.marshal(dto, bos);
-            marshaller.marshal(dto, writer);
 
             bos.flush();
             return baos.toByteArray(); //Note: For really large templates this could use a lot of heap space
-        } catch (final IOException | JAXBException | XMLStreamException e) {
+        } catch (final IOException | JAXBException e) {
             throw new FlowSerializationException(e);
         }
     }

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/test/java/org/apache/nifi/persistence/TemplateSerializerTest.java

@@ -16,21 +16,6 @@
  */
 package org.apache.nifi.persistence;
 
-import static org.junit.Assert.assertEquals;
-
-import java.io.BufferedReader;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.InputStreamReader;
-import java.nio.charset.StandardCharsets;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-import java.util.stream.Collectors;
-import javax.xml.bind.JAXBContext;
-import javax.xml.bind.JAXBElement;
-import javax.xml.bind.Unmarshaller;
-import javax.xml.stream.XMLStreamReader;
 import org.apache.nifi.security.xml.XmlUtils;
 import org.apache.nifi.util.ComponentIdGenerator;
 import org.apache.nifi.web.api.dto.FlowSnippetDTO;
@@ -43,6 +28,22 @@ import org.eclipse.jgit.diff.RawText;
 import org.eclipse.jgit.diff.RawTextComparator;
 import org.junit.Test;
 
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBElement;
+import javax.xml.bind.Unmarshaller;
+import javax.xml.stream.XMLStreamReader;
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import static org.junit.Assert.assertEquals;
+
 public class TemplateSerializerTest {
 
     @Test