janhoy commented on code in PR #3291:
URL: https://github.com/apache/solr/pull/3291#discussion_r2018429739
##########
solr/core/src/java/org/apache/solr/cli/SolrProcessManager.java:
##########
@@ -162,42 +171,60 @@ private static Optional<String> commandLine(ProcessHandle
ph) {
if (!Constants.WINDOWS) {
return ph.info().commandLine();
} else {
- long desiredProcessid = ph.pid();
- try {
- Process process =
- new ProcessBuilder(
- "wmic",
- "process",
- "where",
- "ProcessID=" + desiredProcessid,
- "get",
- "commandline",
- "/format:list")
- .redirectErrorStream(true)
- .start();
- try (InputStreamReader inputStreamReader =
- new InputStreamReader(process.getInputStream(),
StandardCharsets.UTF_8);
- BufferedReader reader = new BufferedReader(inputStreamReader)) {
- while (true) {
- String line = reader.readLine();
- if (line == null) {
- return Optional.empty();
- }
- if (!line.startsWith("CommandLine=")) {
- continue;
- }
- return Optional.of(line.substring("CommandLine=".length()));
- }
+ return Optional.ofNullable(pidToWindowsCommandLineMap.get(ph.pid()));
+ }
+ }
+
+ /**
+ * Gets the command lines of all java processes on Windows using PowerShell.
+ *
+ * @return a map of process IDs to command lines
+ */
+ private static Map<Long, String> commandLinesWindows() {
+ try {
+ StopWatch stopWatch = StopWatch.createStarted();
+ Process process =
+ new ProcessBuilder(
+ "powershell.exe",
+ "-Command",
+ "Get-CimInstance -ClassName Win32_Process | Where-Object {
$_.Name -like '*java*' } | Select-Object ProcessId, CommandLine |
ConvertTo-Json -Depth 1")
+ .redirectErrorStream(true)
+ .start();
+ try (InputStreamReader inputStreamReader =
+ new InputStreamReader(process.getInputStream(),
StandardCharsets.UTF_8);
Review Comment:
Yea, added onion layers, will take a stab on peeling.
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