public static ConfigOverlay getConfigOverlay(SolrResourceLoader loader) {
InputStream in = null;
InputStreamReader isr = null;
try {
try {
in = loader.openResource(ConfigOverlay.RESOURCE_NAME);
} catch (IOException e) {
// TODO: we should be explicitly looking for file not found exceptions
// and logging if it's not the expected IOException
// hopefully no problem, assume no overlay.json file
return new ConfigOverlay(Collections.EMPTY_MAP, -1);
}
int version = 0; // will be always 0 for file based resourceLoader
if (in instanceof ZkSolrResourceLoader.ZkByteArrayInputStream) {
version = ((ZkSolrResourceLoader.ZkByteArrayInputStream) in).getStat().getVersion();
log.info("config overlay loaded . version : {} ", version);
}
isr = new InputStreamReader(in, StandardCharsets.UTF_8);
Map m = (Map) ObjectBuilder.getVal(new JSONParser(isr));
return new ConfigOverlay(m, version);
} catch (Exception e) {
throw new SolrException(ErrorCode.SERVER_ERROR, "Error reading config overlay", e);
} finally {
IOUtils.closeQuietly(isr);
IOUtils.closeQuietly(in);
}
}
/**
* Creates a new core based on a CoreDescriptor.
*
* @param dcore a core descriptor
* @param publishState publish core state to the cluster if true
* @return the newly created core
*/
private SolrCore create(CoreDescriptor dcore, boolean publishState) {
if (isShutDown) {
throw new SolrException(ErrorCode.SERVICE_UNAVAILABLE, "Solr has been shutdown.");
}
SolrCore core = null;
try {
MDCLoggingContext.setCore(core);
SolrIdentifierValidator.validateCoreName(dcore.getName());
if (zkSys.getZkController() != null) {
zkSys.getZkController().preRegister(dcore);
}
ConfigSet coreConfig = coreConfigService.getConfig(dcore);
log.info(
"Creating SolrCore '{}' using configuration from {}",
dcore.getName(),
coreConfig.getName());
core = new SolrCore(dcore, coreConfig);
// always kick off recovery if we are in non-Cloud mode
if (!isZooKeeperAware() && core.getUpdateHandler().getUpdateLog() != null) {
core.getUpdateHandler().getUpdateLog().recoverFromLog();
}
registerCore(dcore.getName(), core, publishState);
return core;
} catch (Exception e) {
coreInitFailures.put(dcore.getName(), new CoreLoadFailure(dcore, e));
log.error("Error creating core [{}]: {}", dcore.getName(), e.getMessage(), e);
final SolrException solrException =
new SolrException(
ErrorCode.SERVER_ERROR, "Unable to create core [" + dcore.getName() + "]", e);
if (core != null && !core.isClosed()) IOUtils.closeQuietly(core);
throw solrException;
} catch (Throwable t) {
SolrException e =
new SolrException(
ErrorCode.SERVER_ERROR,
"JVM Error creating core [" + dcore.getName() + "]: " + t.getMessage(),
t);
log.error("Error creating core [{}]: {}", dcore.getName(), t.getMessage(), t);
coreInitFailures.put(dcore.getName(), new CoreLoadFailure(dcore, e));
if (core != null && !core.isClosed()) IOUtils.closeQuietly(core);
throw t;
} finally {
MDCLoggingContext.clear();
}
}
public HdfsDirectory(Path hdfsDirPath, LockFactory lockFactory, Configuration configuration)
throws IOException {
super(lockFactory);
this.hdfsDirPath = hdfsDirPath;
this.configuration = configuration;
fileSystem = FileSystem.get(hdfsDirPath.toUri(), configuration);
fileContext = FileContext.getFileContext(hdfsDirPath.toUri(), configuration);
if (fileSystem instanceof DistributedFileSystem) {
// Make sure dfs is not in safe mode
while (((DistributedFileSystem) fileSystem).setSafeMode(SafeModeAction.SAFEMODE_GET, true)) {
LOG.warn("The NameNode is in SafeMode - Solr will wait 5 seconds and try again.");
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
Thread.interrupted();
// continue
}
}
}
try {
if (!fileSystem.exists(hdfsDirPath)) {
boolean success = fileSystem.mkdirs(hdfsDirPath);
if (!success) {
throw new RuntimeException("Could not create directory: " + hdfsDirPath);
}
}
} catch (Exception e) {
org.apache.solr.common.util.IOUtils.closeQuietly(fileSystem);
throw new RuntimeException("Problem creating directory: " + hdfsDirPath, e);
}
}
@AfterClass
public static void afterClass() throws Exception {
System.clearProperty("solr.ulog.dir");
System.clearProperty("test.build.data");
System.clearProperty("test.cache.data");
deleteCore();
IOUtils.closeQuietly(fs);
fs = null;
HdfsTestUtil.teardownClass(dfsCluster);
hdfsDataDir = null;
dfsCluster = null;
}