import static java.lang.Integer.toHexString;
import static java.lang.System.identityHashCode;
import static java.util.Objects.requireNonNull;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.logging.Level.SEVERE;

import com.google.common.annotations.GwtCompatible;
import com.google.common.base.Strings;
import com.google.common.util.concurrent.internal.InternalFutureFailureAccess;

package org.codelibs.fess.util;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.crypto.CachedCipher;
import org.codelibs.core.misc.DynamicProperties;
import org.codelibs.fess.api.WebApiManagerFactory;

import static com.google.common.base.StandardSystemProperty.JAVA_CLASS_PATH;
import static com.google.common.base.StandardSystemProperty.PATH_SEPARATOR;
import static java.util.logging.Level.WARNING;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.CharMatcher;
import com.google.common.base.Splitter;
import com.google.common.collect.FluentIterable;

    * Remove metadata agent config maps in favor of command line flags.
    * Update the metadata agent's liveness probe to a new /healthz handler.
    * Logging Agent Improvements
    * Bump logging agent version to 0.2-1.5.33-1-k8s-1.
    * Appropriately set log severity for k8s_container.
    * Fix detect exceptions plugin to analyze message field instead of log field.

import java.util.concurrent.ConcurrentHashMap
import java.util.concurrent.LinkedBlockingQueue
import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicInteger
import java.util.logging.Level
import java.util.logging.Logger
import javax.net.ServerSocketFactory
import javax.net.ssl.SSLContext
import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory
import javax.net.ssl.TrustManager

import java.util.function.Supplier;

import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.text.StringEscapeUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.CoreLibConstants;
import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;

import okhttp3.internal.http2.Settings
import okhttp3.internal.proxy.NullProxySelector
import okhttp3.internal.tls.OkHostnameVerifier
import okhttp3.java.net.cookiejar.JavaNetCookieJar
import okhttp3.logging.HttpLoggingInterceptor
import okhttp3.logging.LoggingEventListener
import okhttp3.mockwebserver.MockResponse
import okhttp3.mockwebserver.MockWebServer
import okhttp3.mockwebserver.PushPromise
import okhttp3.mockwebserver.QueueDispatcher

---------------------------------------
./gradlew test -Dtests.timeoutSuite=5000! ...
---------------------------------------

Change the logging level of ES (not Gradle)

--------------------------------
./gradlew test -Dtests.es.logger.level=DEBUG
--------------------------------

Print all the logging output from the test runs to the commandline
even if tests are passing.

------------------------------

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.io.Closeable;
import java.io.IOException;
import java.util.ArrayDeque;
import java.util.Deque;
import java.util.logging.Level;
import org.jspecify.annotations.Nullable;

/**
 * A {@link Closeable} that collects {@code Closeable} resources and closes them all when it is

     * course stack overflows are bad news in general. For example, we may have overflowed in the
     * middle of defining a class. If so, that class will never be loadable in this process.) The
     * best we can do (since logging may overflow the stack) is to let the error propagate. Because
     * it is an Error, it won't be caught and logged by AbstractFuture.executeListener. Instead, it