* Fix 1.5.0 regression where connections should not have been recycled.
 * Fix 1.5.0 regression where transparent Gzip was broken by attempting to
   recover from another I/O failure.
 * Fix problems where spdy/3.1 headers may not have been compressed properly.
 * Fix problems with spdy/3.1 and http/2 where the wrong window size was being
   used.
 * Fix 1.5.0 regression where conditional cache responses could corrupt the
   connection pool.

 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when an error occurs during data store operations.
 * This is a system-level exception that indicates problems with data store
 * configuration, connectivity, or data processing.
 */
public class DataStoreException extends FessSystemException {
    private static final long serialVersionUID = 1L;

    /**

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class AbstractSetTester<E> extends AbstractCollectionTester<E> {
  /*
   * Previously we had a field named set that was initialized to the value of
   * collection in setUp(), but that caused problems when a tester changed the
   * value of set or collection but not both.
   */
  protected final Set<E> getSet() {
    return (Set<E>) collection;
  }

@Deprecated(since = "4.0.0")
public class DefaultReportConfigurationExpander implements ReportConfigurationExpander {

    @Override
    public void expandPluginConfiguration(Model model, ModelBuildingRequest request, ModelProblemCollector problems) {
        Reporting reporting = model.getReporting();

        if (reporting != null) {
            for (ReportPlugin reportPlugin : reporting.getPlugins()) {

A clear and concise description of what you expected to happen.

**Screenshots**
If applicable, add screenshots to help explain your problem.

**Environment (please complete the following information):**
 - OS: [e.g. Windows 10]
 - Version [e.g. 3.5.0]

**Additional context**

 *    ones.
 *
 *  * **Closed:** the web socket has transmitted all of its messages and has received all messages
 *    from the peer.
 *
 * Web sockets may fail due to HTTP upgrade problems, connectivity problems, or if either peer
 * chooses to short-circuit the graceful shutdown process:
 *
 *  * **Canceled:** the web socket connection failed. Messages that were successfully enqueued by

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when an error occurs during job processing.
 * This exception is used to indicate problems that arise during
 * the execution or processing of jobs in the system.
 */
public class JobProcessingException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**

 * Maven versions to support further events. Hence it is strongly recommended to derive custom listeners from
 * {@link AbstractExecutionListener} in order to avoid interoperability problems.
 *
 */
public interface ExecutionListener {

    void projectDiscoveryStarted(ExecutionEvent event);

    void sessionStarted(ExecutionEvent event);

    void sessionEnded(ExecutionEvent event);

 * two of the same artifacts to a single project.
 *
 * TODO Make this a checked exception, and modify the API of MavenProjectHelper.
 * Currently, this modification would create compatibility problems for existing plugins.
 */
public class DuplicateArtifactAttachmentException extends RuntimeException {

    private static final String DEFAULT_MESSAGE = "Duplicate artifact attachment detected.";

        Provide a [minimal, self-contained example](https://en.wikipedia.org/wiki/Minimal_reproducible_example) project demonstrating the problem as a GitHub repository or an attached archive.
        You can use [the template](https://github.com/gradle/gradle-issue-reproducer) with a Gradle GitHub action set up to showcase your problem.
        In the rare cases where this is infeasible, we will also accept a detailed set of instructions.