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fix: NoClassDefFoundError when multiple arex-agent are started on the same server #572

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fix: NoClassDefFoundError when multiple arex-agent are started on the same server #572

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8f9e8e0
fix: NoClassDefFoundError when multiple arex-agent are started on the…
Oct 8, 2024
152248d
Merge branch 'arextest:main' into main
llkkk Mar 20, 2025
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11 changes: 3 additions & 8 deletions arex-agent/src/main/java/io/arex/agent/JarUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,6 @@
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
Expand All @@ -17,9 +15,6 @@ public class JarUtils {
private static final String DELIMITER = ";";
private static final String NESTED_BOOTSTRAP_JARS_PATH = "Nested-BootStrap-Jars-Path";

private static final File TMP_FILE = new File(AccessController.doPrivileged((PrivilegedAction<String>) () -> System.getProperty("java.io.tmpdir")));
private static final String TEMP_DIR_BOOTSTRAP = TMP_FILE.getAbsolutePath() + File.separator + "arex" + File.separator + "bootstrap";

/**
* ex:
* arex-agent.jar
Expand All @@ -41,7 +36,7 @@ public static List<File> extractNestedBootStrapJar(File file) {
for (String jarPath : jarPaths) {
JarEntry jarEntry = jarFile.getJarEntry(jarPath);
if (jarEntry.getName().endsWith(JAR_SUFFIX)) {
jarFiles.add(extractNestedBootStrapJar(jarFile, jarEntry, jarEntry.getName()));
jarFiles.add(extractNestedBootStrapJar(jarFile, jarEntry, jarEntry.getName(), file.getParentFile()));
}
}
return jarFiles;
Expand All @@ -51,9 +46,9 @@ public static List<File> extractNestedBootStrapJar(File file) {
}
}

private static File extractNestedBootStrapJar(JarFile file, JarEntry entry, String entryName) throws IOException {
private static File extractNestedBootStrapJar(JarFile file, JarEntry entry, String entryName, File parentDir) throws IOException {
String fileName = new File(entryName).getName();
File outputFile = createFile(TEMP_DIR_BOOTSTRAP + File.separator + fileName);
File outputFile = createFile(parentDir.getAbsolutePath() + File.separator + "bootstrap" + File.separator + fileName);
try(InputStream inputStream = file.getInputStream(entry);
FileOutputStream outputStream = new FileOutputStream(outputFile)) {
byte[] buffer = new byte[1024];
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