oracle/graal · error · GraalError

Interrupted waiting for command: %s

Error message

Interrupted waiting for command: %s

What it means

Error "Interrupted waiting for command: %s" thrown in oracle/graal.

Source

Thrown at compiler/src/jdk.graal.compiler.libgraal/src/jdk/graal/compiler/libgraal/GetCompilerConfig.java:163

        command.add(debugPath.toString());

        String quotedCommand = command.stream().map(e -> e.indexOf(' ') == -1 ? e : '\'' + e + '\'').collect(Collectors.joining(" "));
        ProcessBuilder pb = new ProcessBuilder(command);
        pb.inheritIO();
        Process p;
        try {
            p = pb.start();
        } catch (IOException ex) {
            throw new GraalError("Error running command: %s%n%s", quotedCommand, ex);
        }

        try {
            int exitValue = p.waitFor();
            if (exitValue != 0) {
                throw new GraalError("Command finished with exit value %d (look for stdout and stderr above): %s", exitValue, quotedCommand);
            }
        } catch (InterruptedException e) {
            throw new GraalError("Interrupted waiting for command: %s", quotedCommand);
        }
        try {
            byte[] encodedConfig = Files.readAllBytes(encodedConfigPath);
            if (DEBUG) {
                System.out.printf("[%d] Executed: %s%n", p.pid(), quotedCommand);
                System.out.printf("[%d] Compiler config output saved in '%s'%n", p.pid(), encodedConfigPath);
                System.out.printf("[%d] Compiler config debug output saved in '%s'%n", p.pid(), debugPath);
            } else {
                Files.deleteIfExists(encodedConfigPath);
                Files.deleteIfExists(debugPath);
            }
            return new Result(encodedConfig, opens);
        } catch (IOException e) {
            throw new GraalError(e);
        }
    }
}

View on GitHub (pinned to a66e9ccd1d)

Solutions

1. Fix the condition reported by the error: Interrupted waiting for command: {}
2. Check the throwing call site and ensure its documented preconditions (argument values, types, environment, or configuration) are satisfied before the call.

Example fix

Validate inputs and environment so that the failing condition does not occur: Interrupted waiting for command: {}

When it happens

Trigger: Thrown at compiler/src/jdk.graal.compiler.libgraal/src/jdk/graal/compiler/libgraal/GetCompilerConfig.java:163 when the library encounters an invalid state.

Common situations: Occurs when a caller violates the contract guarded by this check: Interrupted waiting for command: {}

AI-assisted analysis of oracle/graal@a66e9ccd1d (2026-08-14). Data as JSON: /api/errors/d92a01b470f1c6d8. Report an issue: GitHub.