AtomicInteger customThreadFound = new AtomicInteger(0);

        // Create a custom thread with recognizable name
        Thread customThread = new Thread(() -> {
            try {
                latch.await();
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
            }
        }, "CustomTestThread");

        customThread.start();

        try {

        };

        InputStreamThread thread = new InputStreamThread(is, StandardCharsets.UTF_8, 100, callback);
        thread.start();

        assertTrue("Should process all lines within timeout", latch.await(3, TimeUnit.SECONDS));

        thread.join(1000);

        assertEquals("All lines should be processed", 5000, receivedLines.size());
        assertEquals("First line", "Line number 0", receivedLines.get(0));

AAiD,iBAAnBA,OAAOC,QAShDD,OAAOC,QAAUH,EAAOI,SACvBH,EAASD,GAAQ,GACjB,SAAUK,GACT,IAAMA,EAAED,SACP,MAAM,IAAIE,MAAO,4CAElB,OAAOL,EAASI,IAGlBJ,EAASD,GAtBX,CA0BuB,oBAAXO,OAAyBA,OAASC,KAAM,SAAUD,GAAQE,GAMtE,aAEA,IAAIC,GAAM,GAENC,EAAWC,OAAOC,eAElBC,GAAQJ,GAAII,MAEZC,EAAOL,GAAIK,KAAO,SAAUC,GAC/B,OAAON,GAAIK,KAAKE,KAAMD,IACnB,SAAUA,GACb,OAAON,GAAIQ,OAAOC,MAAO,GAAIH,IAI1BI,EAAOV,GAAIU,KAEXC,GAAUX,GAAIW,QAEdC,EAAa,GAEbC,EAAWD,EAAWC,SAEtBC,GAASF,EAAWG,eAEpBC,EAAaF,GAAOD,SAEpBI,EAAuBD,EAAWT,KAAML,QAExCgB,GAAU...

                } finally {
                    latch.countDown();
                }
            }, "ProcessCloser-output-" + sessionId).start();

            try {
                latch.await(streamCloseTimeout, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                logger.warn("Interrupted to wait a process.", e);
            }
            try {

            ByteArrayOutputStream stderr = connectStream(process.getErrorStream(), latch);

            process.waitFor(1, TimeUnit.MINUTES);
            latch.await(1, TimeUnit.MINUTES);
            return new ExecResult(args, process.exitValue(), stdout.toString(UTF_8), stderr.toString(UTF_8));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        for (int t = 0; t < threadCount; t++) {
            final int threadId = t;
            futures.add(executor.submit(() -> {
                try {
                    startLatch.await();
                    for (int i = 0; i < iterationsPerThread; i++) {
                        final Map<String, Object> params = new HashMap<>();
                        params.put("x", threadId * 1000 + i);

                    errorCount.incrementAndGet();
                } finally {
                    latch.countDown();
                }
            }).start();
        }

        try {
            latch.await();
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            fail("Thread safety test interrupted");
        }

AAiD,iBAAnBA,OAAOC,QAShDD,OAAOC,QAAUH,EAAOI,SACvBH,EAASD,GAAQ,GACjB,SAAUK,GACT,IAAMA,EAAED,SACP,MAAM,IAAIE,MAAO,4CAElB,OAAOL,EAASI,IAGlBJ,EAASD,GAtBX,CA0BuB,oBAAXO,OAAyBA,OAASC,KAAM,SAAUD,GAAQE,GAMtE,aAEA,IAAIC,GAAM,GAENC,EAAWC,OAAOC,eAElBC,GAAQJ,GAAII,MAEZC,EAAOL,GAAIK,KAAO,SAAUC,GAC/B,OAAON,GAAIK,KAAKE,KAAMD,IACnB,SAAUA,GACb,OAAON,GAAIQ,OAAOC,MAAO,GAAIH,IAI1BI,EAAOV,GAAIU,KAEXC,GAAUX,GAAIW,QAEdC,EAAa,GAEbC,EAAWD,EAAWC,SAEtBC,GAASF,EAAWG,eAEpBC,EAAaF,GAAOD,SAEpBI,EAAuBD,EAAWT,KAAML,QAExCgB,GAAU...

                    errorOccurred.set(true);
                } finally {
                    latch.countDown();
                }
            }).start();
        }

        latch.await(10, TimeUnit.SECONDS);
        assertFalse("No unexpected errors should occur during concurrent access", errorOccurred.get());
    }

    /**
     * Test that default groups and roles are preserved during lazy loading.

                execJob.jvmOptions("-Xms" + i + "m");
            }
            latch.countDown();
        });

        t1.start();
        t2.start();

        assertTrue(latch.await(5, TimeUnit.SECONDS));
        // The exact size may vary due to concurrent modifications, just check it's not empty
        assertTrue(execJob.jvmOptions.size() > 0);
    }