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CORDA-1633 - Check Java version before launch (#4128)

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Tommy Lillehagen 2018-10-29 16:52:57 +00:00 committed by GitHub
parent ff9061b968
commit 199a20398c
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1 changed files with 9 additions and 0 deletions
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9
node/src/main/java/CordaCaplet.java
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@ -54,6 +54,7 @@ public class CordaCaplet extends Capsule {
@Override @Override
protected ProcessBuilder prelaunch(List<String> jvmArgs, List<String> args) { protected ProcessBuilder prelaunch(List<String> jvmArgs, List<String> args) {
checkJavaVersion();
nodeConfig = parseConfigFile(args); nodeConfig = parseConfigFile(args);
return super.prelaunch(jvmArgs, args); return super.prelaunch(jvmArgs, args);
} }
@ -143,6 +144,14 @@ public class CordaCaplet extends Capsule {
} }
} }
private static void checkJavaVersion() {
String version = System.getProperty("java.version");
if (version == null || !version.startsWith("1.8")) {
System.err.printf("Error: Unsupported Java version %s; currently only version 1.8 is supported.\n", version);
System.exit(1);
}
}
private void requireCordappsDirExists(File dir) { private void requireCordappsDirExists(File dir) {
try { try {
if (!dir.mkdir() && !dir.exists()) { // It is unlikely to enter this if-branch, but just in case. if (!dir.mkdir() && !dir.exists()) { // It is unlikely to enter this if-branch, but just in case.