Make changes to get the initial code buildable
diff --git a/modules/classloaderfactory-substitute/.gitignore b/modules/classloaderfactory-substitute/.gitignore
new file mode 100644
index 0000000..3d5bdae
--- /dev/null
+++ b/modules/classloaderfactory-substitute/.gitignore
@@ -0,0 +1,32 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Maven ignores
+/target/
+
+# IDE ignores
+/.settings/
+/.project
+/.classpath
+/.pydevproject
+/.idea
+/*.iml
+/*.ipr
+/*.iws
+/nbproject/
+/nbactions.xml
+/nb-configuration.xml
+.vscode/
+.factorypath
diff --git a/modules/classloaderfactory-substitute/pom.xml b/modules/classloaderfactory-substitute/pom.xml
new file mode 100644
index 0000000..d5475fc
--- /dev/null
+++ b/modules/classloaderfactory-substitute/pom.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.accumulo</groupId>
+ <artifactId>classloader-extras</artifactId>
+ <version>1.0.0-SNAPSHOT</version>
+ <relativePath>../../pom.xml</relativePath>
+ </parent>
+ <artifactId>classloaderfactory-substitute</artifactId>
+ <name>ClassloaderFactory substitute</name>
+ <description>This exists temporarily, until a version of Accumulo is published containing the required ClassloaderFactory interface</description>
+ <properties>
+ <eclipseFormatterStyle>../../contrib/Eclipse-Accumulo-Codestyle.xml</eclipseFormatterStyle>
+ <maven.deploy.skip>true</maven.deploy.skip>
+ <!-- temporarily skip analyzing dependencies until things are fixed, in order to build -->
+ <mdep.analyze.skip>true</mdep.analyze.skip>
+ </properties>
+</project>
diff --git a/modules/classloaderfactory-substitute/src/main/java/org/apache/accumulo/core/spi/common/ClassLoaderFactory.java b/modules/classloaderfactory-substitute/src/main/java/org/apache/accumulo/core/spi/common/ClassLoaderFactory.java
new file mode 100644
index 0000000..7fb1d59
--- /dev/null
+++ b/modules/classloaderfactory-substitute/src/main/java/org/apache/accumulo/core/spi/common/ClassLoaderFactory.java
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.accumulo.core.spi.common;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.Map.Entry;
+
+/**
+ * The ClassLoaderFactory is defined by the property general.context.factory. The factory
+ * implementation is configured externally to Accumulo and will return a ClassLoader for a given
+ * contextName.
+ *
+ */
+public interface ClassLoaderFactory {
+
+ static class ClassLoaderFactoryConfiguration {
+
+ public Iterator<Entry<String,String>> get() {
+ return Collections.emptyIterator();
+ }
+ }
+
+ /**
+ * Initialize the ClassLoaderFactory. Implementations may need a reference to the configuration so
+ * that it can clean up contexts that are no longer being used.
+ *
+ * @param conf
+ * Accumulo configuration properties
+ * @throws Exception
+ * if error initializing ClassLoaderFactory
+ */
+ void initialize(ClassLoaderFactoryConfiguration conf) throws Exception;
+
+ /**
+ *
+ * @param contextName
+ * name of classloader context
+ * @return classloader configured for the context
+ * @throws IllegalArgumentException
+ * if contextName is not supported
+ */
+ ClassLoader getClassLoader(String contextName) throws IllegalArgumentException;
+
+}
diff --git a/modules/vfs-class-loader/WIP.txt b/modules/vfs-class-loader/WIP.txt
index 7f92d22..09edcb9 100644
--- a/modules/vfs-class-loader/WIP.txt
+++ b/modules/vfs-class-loader/WIP.txt
@@ -1,3 +1,20 @@
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied. See the License for the
+specific language governing permissions and limitations
+under the License.
+
1. Running Accumulo with new VFS ClassLoader as SystemClassLoader
a. Add accumulo/test/target/TestJar-Iterators.jar to HDFS directory
diff --git a/modules/vfs-class-loader/pom.xml b/modules/vfs-class-loader/pom.xml
index e727d2f..981c258 100644
--- a/modules/vfs-class-loader/pom.xml
+++ b/modules/vfs-class-loader/pom.xml
@@ -31,12 +31,27 @@
<name>VFS Reloading ClassLoader</name>
<properties>
<eclipseFormatterStyle>../../contrib/Eclipse-Accumulo-Codestyle.xml</eclipseFormatterStyle>
+ <!-- temporarily skip analyzing dependencies until things are fixed, in order to build -->
+ <mdep.analyze.skip>true</mdep.analyze.skip>
+ <!-- temporarily skip spotbugs until things are fixed, in order to build -->
+ <spotbugs.skip>true</spotbugs.skip>
</properties>
<dependencies>
<dependency>
+ <groupId>com.google.protobuf</groupId>
+ <artifactId>protobuf-java</artifactId>
+ <version>3.7.1</version>
+ </dependency>
+ <dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-vfs2</artifactId>
<version>2.6.0</version>
+ <exclusions>
+ <exclusion>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-hdfs-client</artifactId>
+ </exclusion>
+ </exclusions>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
@@ -63,15 +78,9 @@
</dependency>
<dependency>
<groupId>org.apache.accumulo</groupId>
- <artifactId>accumulo-core</artifactId>
- <version>2.1.0-SNAPSHOT</version>
+ <artifactId>classloaderfactory-substitute</artifactId>
+ <version>${project.version}</version>
<scope>provided</scope>
- <exclusions>
- <exclusion>
- <groupId>org.apache.accumulo</groupId>
- <artifactId>accumulo-start</artifactId>
- </exclusion>
- </exclusions>
</dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
@@ -86,6 +95,12 @@
<scope>provided</scope>
</dependency>
<dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava</artifactId>
+ <version>28.2-jre</version>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13</version>
@@ -170,6 +185,7 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
+ <version>1.6.0</version>
<executions>
<execution>
<id>Build Test jars</id>
diff --git a/modules/vfs-class-loader/src/main/java/org/apache/accumulo/classloader/vfs/ReloadingVFSClassLoader.java b/modules/vfs-class-loader/src/main/java/org/apache/accumulo/classloader/vfs/ReloadingVFSClassLoader.java
index 552076a..755f0d8 100644
--- a/modules/vfs-class-loader/src/main/java/org/apache/accumulo/classloader/vfs/ReloadingVFSClassLoader.java
+++ b/modules/vfs-class-loader/src/main/java/org/apache/accumulo/classloader/vfs/ReloadingVFSClassLoader.java
@@ -408,7 +408,7 @@
/**
* Remove the file from the monitor
- *
+ *
* @param file
* to remove
* @throws RuntimeException
@@ -500,7 +500,7 @@
/**
* Return a reference to the delegate classloader, create a new one if necessary
- *
+ *
* @return reference to delegate classloader
*/
synchronized ClassLoader getDelegateClassLoader() {
diff --git a/pom.xml b/pom.xml
index 21ca3e3..f91a08b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -68,6 +68,7 @@
</mailingList>
</mailingLists>
<modules>
+ <module>modules/classloaderfactory-substitute</module>
<module>modules/vfs-class-loader</module>
</modules>
<scm>