Improve the handling of exception propagation

junit5/core/src/main/java/org/jboss/arquillian/junit5/IdentifiedTestException.java

@@ -8,10 +8,16 @@ public class IdentifiedTestException extends RuntimeException {
     private final Map<String, Throwable> collectedExceptions;
 
     public IdentifiedTestException(Map<String, Throwable> exceptions) {
+        super(exceptions.values().stream().findFirst().orElse(null));
         this.collectedExceptions = exceptions;
     }
 
     public Map<String, Throwable> getCollectedExceptions() {
         return collectedExceptions;
     }
+
+    @Override
+    public String toString() {
+        return "IdentifiedTestException [collectedExceptions=" + collectedExceptions + "]";
+    }
 }

test/spi/README.md

@@ -0,0 +1,6 @@
+The tests in this module use a custom maven compiler configuration to simulate a class that exists on the server side but not on the client side to validate the behavior seen in issue
+https://github.com/arquillian/arquillian-core/issues/641.
+
+To be able to run these tests from within Intellij, one has to configure the 
+"Settings | Build, Execution, Deployment | Build Tools | Maven | Runner" to have the "Delegate IDE build/run actions to Maven" box checked.
+

test/spi/pom.xml

@@ -1,5 +1,7 @@
 <?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">
+<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">
 
   <!-- Parent -->
   <parent>
@@ -53,5 +55,46 @@
     </dependency>
 
   </dependencies>
+
+  <build>
+    <plugins>
+      <!-- Configure the compiler plugin to not compile the SomeNonClientSideException class into
+      the test-classes directory so that the standard test runtime will not see it.
+      -->
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <executions>
+          <execution>
+            <!-- Override the default-testCompile execution to exclude SomeNonClientSideException.java -->
+            <id>default-testCompile</id>
+            <phase>test-compile</phase>
+            <goals>
+              <goal>testCompile</goal>
+            </goals>
+            <configuration>
+              <testExcludes>
+                <testExclude>org/jboss/arquillian/test/spi/serveronly/**</testExclude>
+              </testExcludes>
+            </configuration>
+          </execution>
+          <execution>
+            <!-- A custom test-compile execution to output the SomeNonClientSideException.class to target/serveronly-classes -->
+            <id>serveronly-compile</id>
+            <phase>test-compile</phase>
+            <goals>
+              <goal>testCompile</goal>
+            </goals>
+            <configuration>
+              <testIncludes>
+                <testInclude>org/jboss/arquillian/test/spi/serveronly/**</testInclude>
+              </testIncludes>
+              <outputDirectory>${project.build.directory}/serveronly-classes</outputDirectory>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
 </project>
 

test/spi/src/main/java/org/jboss/arquillian/test/spi/ArquillianProxyException.java

@@ -16,9 +16,11 @@
  */
 package org.jboss.arquillian.test.spi;
 
+import java.io.PrintStream;
+
 /**
  * Exception class used when a proxied exception cannot be created. This
- * exception type is is thrown instead and contains information about the
+ * exception type is thrown instead and contains information about the
  * proxied class and a hint about why it could not be thrown.
  *
  * @author <a href="mailto:[email protected]">Andy Gibson</a>
@@ -59,4 +61,9 @@ public ArquillianProxyException(Throwable cause) {
     public ArquillianProxyException(String message, String exceptionClassName, String reason, Throwable cause) {
         this(String.format("%s : %s [Proxied because : %s]", exceptionClassName, message, reason), cause);
     }
+
+    @Override
+    public void printStackTrace(PrintStream s) {
+        super.printStackTrace(s);
+    }
 }