initial

Author: stuarthalloway

.gitignore

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+classpath
+target/*
+src/java/junit/*
+.idea
+*.iml

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<project  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0" >
+ <dependencies>
+    <dependency>
+      <groupId>org.codehaus.janino</groupId>
+      <artifactId>commons-compiler-jdk</artifactId>
+      <version>3.0.7</version>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.12</version>
+    </dependency>
+ </dependencies>
+ <version>0.0</version>
+ <groupId>com.datomic</groupId>
+ <name>janino-repro-3</name>
+ <artifactId>janino-repro-3</artifactId>
+ <properties>
+  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ </properties>
+ <modelVersion>4.0.0</modelVersion>
+ <build>
+   <pluginManagement>
+     <plugins>
+       <plugin>
+         <groupId>org.apache.maven.plugins</groupId>
+         <artifactId>maven-compiler-plugin</artifactId>
+         <version>3.0</version>
+         <configuration>
+           <!-- put your configurations here -->
+         </configuration>
+       </plugin>
+    </plugins>
+   </pluginManagement>
+  <sourceDirectory>src/java</sourceDirectory>
+  <resources>
+   <resource>
+    <directory>src/resources</directory>
+   </resource>
+  </resources>
+ </build>
+ <repositories>
+   <repository>
+     <id>Sonatype</id>
+     <name>Sonatype Release</name>
+     <url>http://oss.sonatype.org/content/repositories/releases</url>
+     <releases>
+       <enabled>true</enabled>
+     </releases>
+     <snapshots>
+       <enabled>false</enabled>
+     </snapshots>
+   </repository>
+ </repositories>
+</project>

run-repro

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+#!/bin/bash
+
+mvn -q dependency:build-classpath -Dmdep.outputFile=classpath 
+
+rm -f src/java/junit/framework/subpackage/*
+
+mvn -q clean compile
+
+echo "================================"
+echo "Run 1. Compiled classes: "
+find target/classes
+
+java -cp target/classes:`cat classpath` datomic.JaninoRepro3
+
+cp siderail/Breaker.java src/java/junit/framework/subpackage/
+
+mvn -q clean compile
+
+echo "================================"
+echo "Run 2. Compiled classes: "
+find target/classes
+
+java -cp target/classes:`cat classpath` datomic.JaninoRepro3
+

siderail/Breaker.java

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+package junit.framework.subpackage;
+
+// the existence of this class changes the behavior of Janino compilation.
+public class Breaker {
+}

src/java/datomic/JaninoRepro3.java

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+package datomic;
+
+import org.codehaus.commons.compiler.CompileException;
+import org.codehaus.commons.compiler.jdk.ScriptEvaluator;
+
+public class JaninoRepro3 {
+    public static void main(String[] args) throws CompileException {
+        System.out.println("Class location:");
+        System.out.println(ClassLoader.getSystemClassLoader().getResource("junit/framework/TestCase.class"));
+
+        System.out.println("Classpath:");
+        System.out.println(System.getProperty("java.class.path"));
+
+        System.out.println("Run trivial script:");
+        ScriptEvaluator ev = new ScriptEvaluator();
+        ev.setDefaultImports(new String[]{"junit.framework.TestCase"});
+        Runnable r = (Runnable) ev.createFastEvaluator("System.out.println(123);", Runnable.class, new String[]{});
+        r.run();
+    }
+}