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8274670: Improve version string handling in SA

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Reviewed-by: cjplummer, sspitsyn
This commit is contained in:
Yasumasa Suenaga 2021-10-06 00:36:50 +00:00
parent df7b0c7077
commit 986ee5d0bf
2 changed files with 14 additions and 14 deletions
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18
src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/VM.java
View File

@ -359,26 +359,26 @@ public class VM {
if (System.getProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck") == null) {
// read sa build version.
String versionProp = "sun.jvm.hotspot.runtime.VM.saBuildVersion";
String saVersion = saProps.getProperty(versionProp);
if (saVersion == null)
String versionPropVal = saProps.getProperty(versionProp);
if (versionPropVal == null) {
throw new RuntimeException("Missing property " + versionProp);
}
// Strip nonproduct VM version substring (note: saVersion doesn't have it).
String vmVersion = vmRelease.replaceAll("(-fastdebug)|(-debug)|(-jvmg)|(-optimized)|(-profiled)","");
var saVersion = Runtime.Version.parse(versionPropVal);
var vmVersion = Runtime.Version.parse(vmRelease);
if (saVersion.equals(vmVersion)) {
// Exact match
return;
}
if (saVersion.indexOf('-') == saVersion.lastIndexOf('-') &&
vmVersion.indexOf('-') == vmVersion.lastIndexOf('-')) {
if (!saVersion.equalsIgnoreOptional(vmVersion)) {
// Throw exception if different release versions:
// <major>.<minor>-b<n>
throw new VMVersionMismatchException(saVersion, vmRelease);
// <version>+<build>
throw new VMVersionMismatchException(saVersion, vmVersion);
} else {
// Otherwise print warning to allow mismatch not release versions
// during development.
System.err.println("WARNING: Hotspot VM version " + vmRelease +
System.err.println("WARNING: Hotspot VM version " + vmVersion +
" does not match with SA version " + saVersion +
"." + " You may see unexpected results. ");
}

10
src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/VMVersionMismatchException.java
View File

@ -27,7 +27,7 @@ package sun.jvm.hotspot.runtime;
/** An instance of this exception is thrown when debuggee VM version
is not supported current version of SA. */
public class VMVersionMismatchException extends RuntimeException {
public VMVersionMismatchException(String supported, String target) {
public VMVersionMismatchException(Runtime.Version supported, Runtime.Version target) {
super();
supportedVersions = supported;
targetVersion = target;
@ -38,14 +38,14 @@ public class VMVersionMismatchException extends RuntimeException {
". Target VM is " + targetVersion;
}
public String getSupportedVersions() {
public Runtime.Version getSupportedVersions() {
return supportedVersions;
}
public String getTargetVersion() {
public Runtime.Version getTargetVersion() {
return targetVersion;
}
private String supportedVersions;
private String targetVersion;
private final Runtime.Version supportedVersions;
private final Runtime.Version targetVersion;
}