Tomcat VirtualWebappLoader stopped working for Java classes - maven

Question

It has been working lovely for me until yesterday. I'm using it with SpringLoaded in my Hippo CMS project.
Symptoms:
- Works for changes to .ftl files
- Does not work for changes to java classes e.g. MyContactFormComponent
Some findings:
The latest change is reflected in the class file under
/site/target/classes/ and /site/target/site/WEB-INF/classes
The latest change is NOT reflected in the class file under
/target/tomcat7x/webapps/site.war (I extracted it)
==> Cargo and Tomcat are using /target/tomcat7x/webapps/site.war instead of /site/target/classes/. This contradicts the intended SpringLoaded setup!
The question is why it happened all out of a sudden?
Note that there is no exception or error whatsoever!
One of the thing I did yesterday was to increase memory for JVM under Cargo settings:
<cargo.jvmargs>-Xmx1920m</cargo.jvmargs>
This is because my repository is huge and I wouldn't be able to run the site without giving Java more memory. Could this be the culprit?
Maven log (mvn verify inside /site/ directory):
➜ site git:(master) ✗ mvn verify
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building SCC Site 2.01.34-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- buildnumber-maven-plugin:1.2:create (default) # scc-site ---
[INFO] Checking for local modifications: skipped.
[INFO] Updating project files from SCM: skipped.
[INFO] Executing: /bin/sh -c cd /Users/eric/hippo/scc2/site && svn --non-interactive info
[INFO] Working directory: /Users/eric/hippo/scc2/site
[INFO] Storing buildNumber: -1 at timestamp: 1429636391442
[INFO] Executing: /bin/sh -c cd /Users/eric/hippo/scc2/site && svn --non-interactive info
[INFO] Working directory: /Users/eric/hippo/scc2/site
[INFO] Storing buildScmBranch: UNKNOWN_BRANCH
[INFO]
[INFO] --- maven-filesync-plugin:1.0.0:generate (default) # scc-site ---
[INFO] No Eclipse .project file found. First import the maven project in Eclipse.
[INFO]
[INFO] --- maven-remote-resources-plugin:1.5:process (default) # scc-site ---
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) # scc-site ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 0 resource
[INFO] Copying 7 resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) # scc-site ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 48 source files to /Users/eric/hippo/scc2/site/target/classes
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) # scc-site ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) # scc-site ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-surefire-plugin:2.16:test (default-test) # scc-site ---
[INFO]
[INFO] --- maven-war-plugin:2.4:war (default-war) # scc-site ---
[INFO] Packaging webapp
[INFO] Assembling webapp [scc-site] in [/Users/eric/hippo/scc2/site/target/site]
[INFO] Processing war project
[INFO] Copying webapp resources [/Users/eric/hippo/scc2/site/src/main/webapp]
[INFO] Webapp assembled in [3505 msecs]
[INFO] Building war: /Users/eric/hippo/scc2/site/target/site.war
[INFO]
[INFO] --- maven-source-plugin:2.2.1:jar-no-fork (attach-sources) # scc-site ---
[INFO] Building jar: /Users/eric/hippo/scc2/site/target/site-sources.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 20.229 s
[INFO] Finished at: 2015-04-22T01:13:28+08:00
[INFO] Final Memory: 20M/215M
[INFO] ------------------------------------------------------------------------
My main pom.xml:
<?xml version="1.0" encoding="UTF-8"?>
<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 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.onehippo.cms7</groupId>
<artifactId>hippo-cms7-release</artifactId>
<version>7.9.6</version>
</parent>
<name>SCC</name>
<description>SCC</description>
<groupId>com.abc</groupId>
<artifactId>scc</artifactId>
<version>2.01.34-SNAPSHOT</version>
<packaging>pom</packaging>
<!--
The below project elements are emptied/overridden as otherwise their metadata would be
inherited or merged from the parent hippo-cms7-release pom (or its hippo-cms7-project pom).
DO NOT remove these tags but instead fill them in appropriately as needed,
UNLESS the inherited values are valid for your project.
-->
<url/>
<inceptionYear/>
<organization/>
<licenses>
<license/>
</licenses>
<mailingLists>
<mailingList/>
</mailingLists>
<developers>
<developer/>
</developers>
<contributors>
<contributor/>
</contributors>
<issueManagement/>
<!--
<scm>
<connection/>
<developerConnection/>
<url/>
</scm>
-->
<ciManagement/>
<!-- End of emptied/overridden metadata from parent hippo-cms7-release pom. -->
<properties>
<!--***START temporary override of versions*** -->
<hippo.cms.version>2.26.13</hippo.cms.version>
<!-- ***END temporary override of versions*** -->
<hippo.hst.version>2.28.09</hippo.hst.version>
<essentials.version>1.02.06</essentials.version>
<jsp-api.version>2.1</jsp-api.version>
<jstl.version>1.1.2</jstl.version>
<taglibs.version>1.1.2</taglibs.version>
<commons.lang.version>2.6</commons.lang.version>
<junit.version>4.10</junit.version>
<easymock.version>3.1</easymock.version>
<filesync.override>false</filesync.override>
<maven.plugins.filesync.version>1.0.0</maven.plugins.filesync.version>
<repo.bootstrap>true</repo.bootstrap>
</properties>
<repositories>
<repository>
<id>hippo</id>
<name>Hippo maven 2 repository.</name>
<url>https://maven.onehippo.com/maven2/</url>
</repository>
</repositories>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.onehippo.cms7.essentials.sdk</groupId>
<artifactId>api</artifactId>
<version>${essentials.version}</version>
</dependency>
<dependency>
<groupId>org.onehippo.cms7.essentials.components</groupId>
<artifactId>cms</artifactId>
<version>${essentials.version}</version>
</dependency>
<dependency>
<groupId>org.onehippo.cms7.essentials.components</groupId>
<artifactId>hst</artifactId>
<version>${essentials.version}</version>
</dependency>
<!-- other predefined runtime scope versioned dependencies -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>${jstl.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>${taglibs.version}</version>
<scope>runtime</scope>
</dependency>
<!-- other predefined compile scope versioned dependencies -->
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>${commons.lang.version}</version>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>${freemarker.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.easymock</groupId>
<artifactId>easymock</artifactId>
<version>${easymock.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.easymock</groupId>
<artifactId>easymockclassextension</artifactId>
<version>2.5.2</version>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>cglib</groupId>
<artifactId>cglib-nodep</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.onehippo.cms7.hst</groupId>
<artifactId>hst-mock</artifactId>
<version>${hippo.hst.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<!--<dependency>-->
<!--<groupId>mysql</groupId>-->
<!--<artifactId>mysql-connector-java</artifactId>-->
<!--<version>5.1.30</version>-->
<!--<scope>provided</scope>-->
<!--</dependency>-->
</dependencies>
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<excludes>
<exclude>twbs</exclude>
</excludes>
</resource>
</resources>
<defaultGoal>package</defaultGoal>
<pluginManagement>
<plugins>
<plugin>
<groupId>com.googlecode.mavenfilesync</groupId>
<artifactId>maven-filesync-plugin</artifactId>
<version>${maven.plugins.filesync.version}</version>
<configuration>
<override>${filesync.override}</override>
</configuration>
<executions>
<execution>
<goals>
<goal>generate</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>buildnumber-maven-plugin</artifactId>
<version>${maven.plugin.buildnumber.version}</version>
<executions>
<execution>
<phase>validate</phase>
<goals>
<goal>create</goal>
</goals>
</execution>
</executions>
<configuration>
<doCheck>false</doCheck>
<doUpdate>false</doUpdate>
<revisionOnScmFailure>-1</revisionOnScmFailure>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>${maven.plugin.jar.version}</version>
<configuration>
<archive>
<manifest>
<addDefaultImplementationEntries>true</addDefaultImplementationEntries>
</manifest>
<manifestEntries>
<Implementation-Build>${buildNumber}</Implementation-Build>
</manifestEntries>
</archive>
</configuration>
</plugin>
</plugins>
<extensions>
<!-- Enabling the use of SSH -->
<extension>
<groupId>org.apache.maven.wagon</groupId>
<artifactId>wagon-ssh-external</artifactId>
<version>1.0-beta-6</version>
</extension>
</extensions>
</build>
<profiles>
<profile>
<id>default</id>
<activation>
<activeByDefault>true</activeByDefault>
<property>
<name>jrebel</name>
</property>
</activation>
<modules>
<module>bootstrap</module>
<module>cms</module>
<module>site</module>
<module>essentials</module>
</modules>
</profile>
<profile>
<id>cargo.run</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<executions>
<execution>
<id>copy-tomcat-resources</id>
<phase>validate</phase>
<goals>
<goal>copy-resources</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/contexts</outputDirectory>
<resources>
<resource>
<directory>conf</directory>
<includes>
<include>*-context.xml</include>
</includes>
<filtering>true</filtering>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.cargo</groupId>
<artifactId>cargo-maven2-plugin</artifactId>
<configuration>
<configuration>
<properties>
<catalina.servlet.uriencoding>UTF-8</catalina.servlet.uriencoding>
<cargo.jvmargs>-Xmx1920m</cargo.jvmargs>
</properties>
<configfiles>
<!--<configfile>-->
<!--<file>${project.basedir}/conf/context.xml</file>-->
<!--<todir>conf/</todir>-->
<!--<tofile>context.xml</tofile>-->
<!--</configfile>-->
<configfile>
<file>${project.build.directory}/contexts/site-context.xml</file>
<todir>conf/Catalina/localhost/</todir>
<tofile>site.xml</tofile>
</configfile>
</configfiles>
</configuration>
<deployables>
<deployable>
<type>war</type>
<properties>
<context>/cms</context>
</properties>
<location>${project.basedir}/cms/target/cms.war</location>
</deployable>
<deployable>
<location>${project.basedir}/site/target/site.war</location>
<type>war</type>
<properties>
<context>/site</context>
</properties>
</deployable>
<deployable>
<location>${project.basedir}/essentials/target/essentials.war</location>
<type>war</type>
<properties>
<context>/essentials</context>
</properties>
</deployable>
</deployables>
<container>
<systemProperties>
<derby.stream.error.file>${project.basedir}/target/derby.log
</derby.stream.error.file>
<log4j.configuration>file:${project.basedir}/conf/log4j-dev.xml
</log4j.configuration>
<rebel.log4j-plugin>true</rebel.log4j-plugin>
<!-- enables auto export: -->
<project.basedir>${project.basedir}</project.basedir>
<!--<repo.config>file:${project.basedir}/conf/repository.xml</repo.config>-->
</systemProperties>
<!--<dependencies>-->
<!--<dependency>-->
<!--<groupId>mysql</groupId>-->
<!--<artifactId>mysql-connector-java</artifactId>-->
<!--<classpath>extra</classpath>-->
<!--</dependency>-->
<!--</dependencies>-->
</container>
</configuration>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>dist</id>
<dependencies>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<defaultGoal>validate</defaultGoal>
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<id>distro-assembly</id>
<phase>validate</phase>
<goals>
<goal>single</goal>
</goals>
<configuration>
<descriptors>
<descriptor>${project.basedir}/src/main/assembly/distribution.xml</descriptor>
</descriptors>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>springloaded</id>
<activation>
<property>
<name>springloaded</name>
</property>
</activation>
<properties>
<javaagent>-javaagent:/Users/eric/libs/springloaded.jar</javaagent>
</properties>
</profile>
</profiles>
</project>

Answer 1

Turned out the cargo.jvmargs broke it. It seems the javaagent SpringLoaded is disregarded this way.
So I made the following changes to ${project.basedir}/pom.xml and SpringLoaded works again:
<properties>
<javaagent>-javaagent:/Users/eric/libs/springloaded.jar</javaagent>
</properties>
...
<profiles>
<profile>
<id>cargo.run</id>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.cargo</groupId>
<artifactId>cargo-maven2-plugin</artifactId>
<configuration>
<configuration>
<properties>
<cargo.jvmargs>-Xmx1920m -Xdebug -Xrunjdwp:transport=dt_socket,address=${cargo.debug.address},server=y,suspend=${cargo.debug.suspend} -noverify ${javaagent} ${cargo.jvm.args}</cargo.jvmargs>
Without the complete jvmargs, Debug stops working as well.
The above is mentioned in Hippo CMS documentation too. I just had to dig it up.