public void rename(String name, String toName) {
SolrIdentifierValidator.validateCoreName(toName);
try (SolrCore core = getCore(name)) {
if (core != null) {
registerCore(toName, core, true);
SolrCore old = solrCores.remove(name);
coresLocator.rename(this, old.getCoreDescriptor(), core.getCoreDescriptor());
}
}
}
/**
* Recreates a SolrCore. While the new core is loading, requests will continue to be dispatched to
* and processed by the old core
*
* @param name the name of the SolrCore to reload
*/
public void reload(String name) {
SolrCore core = solrCores.getCoreFromAnyList(name, false);
if (core == null)
throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "No such core: " + name);
CoreDescriptor cd = core.getCoreDescriptor();
try {
solrCores.waitAddPendingCoreOps(name);
ConfigSet coreConfig = coreConfigService.getConfig(cd);
log.info(
"Reloading SolrCore '{}' using configuration from {}",
cd.getName(),
coreConfig.getName());
SolrCore newCore = core.reload(coreConfig);
registerCore(name, newCore, false);
} catch (SolrCoreState.CoreIsClosedException e) {
throw e;
} catch (Exception e) {
coreInitFailures.put(cd.getName(), new CoreLoadFailure(cd, e));
throw new SolrException(
ErrorCode.SERVER_ERROR, "Unable to reload core [" + cd.getName() + "]", e);
} finally {
solrCores.removeFromPendingOps(name);
}
}
@Test
public void testLazyLoad() throws Exception {
CoreContainer cc = init();
try {
// NOTE: This checks the initial state for loading, no need to do this elsewhere.
checkInCores(cc, "collection1", "collectionLazy2", "collectionLazy5");
checkNotInCores(
cc,
"collectionLazy3",
"collectionLazy4",
"collectionLazy6",
"collectionLazy7",
"collectionLazy8",
"collectionLazy9");
SolrCore core1 = cc.getCore("collection1");
assertFalse("core1 should not be transient", core1.getCoreDescriptor().isTransient());
assertTrue("core1 should be loadable", core1.getCoreDescriptor().isLoadOnStartup());
assertNotNull(core1.getSolrConfig());
SolrCore core2 = cc.getCore("collectionLazy2");
assertTrue("core2 should be transient", core2.getCoreDescriptor().isTransient());
assertTrue("core2 should be loadable", core2.getCoreDescriptor().isLoadOnStartup());
SolrCore core3 = cc.getCore("collectionLazy3");
assertTrue("core3 should be transient", core3.getCoreDescriptor().isTransient());
assertFalse("core3 should not be loadable", core3.getCoreDescriptor().isLoadOnStartup());
SolrCore core4 = cc.getCore("collectionLazy4");
assertFalse("core4 should not be transient", core4.getCoreDescriptor().isTransient());
assertFalse("core4 should not be loadable", core4.getCoreDescriptor().isLoadOnStartup());
SolrCore core5 = cc.getCore("collectionLazy5");
assertFalse("core5 should not be transient", core5.getCoreDescriptor().isTransient());
assertTrue("core5 should be loadable", core5.getCoreDescriptor().isLoadOnStartup());
core1.close();
core2.close();
core3.close();
core4.close();
core5.close();
} finally {
cc.shutdown();
}
}
protected SolrCore registerCore(String name, SolrCore core, boolean registerInZk) {
if (core == null) {
throw new RuntimeException("Can not register a null core.");
}
// We can register a core when creating them via the admin UI, so we need to ensure that the
// dynamic descriptors
// are up to date
CoreDescriptor cd = core.getCoreDescriptor();
if ((cd.isTransient() || !cd.isLoadOnStartup())
&& solrCores.getDynamicDescriptor(name) == null) {
// Store it away for later use. includes non-transient but not
// loaded at startup cores.
solrCores.putDynamicDescriptor(name, cd);
}
SolrCore old;
if (isShutDown) {
core.close();
throw new IllegalStateException("This CoreContainer has been closed");
}
if (cd.isTransient()) {
old = solrCores.putTransientCore(cfg, name, core, loader);
} else {
old = solrCores.putCore(name, core);
}
/*
* set both the name of the descriptor and the name of the
* core, since the descriptors name is used for persisting.
*/
core.setName(name);
coreInitFailures.remove(name);
if (old == null || old == core) {
log.info("registering core: " + name);
if (registerInZk) {
zkSys.registerInZk(core, false);
}
return null;
} else {
log.info("replacing core: " + name);
old.close();
if (registerInZk) {
zkSys.registerInZk(core, false);
}
return old;
}
}