/**
* Handler "RELOAD" action
*
* @param req
* @param rsp
* @return true if a modification has resulted that requires persistance of the CoreContainer
* configuration.
*/
protected boolean handleReloadAction(SolrQueryRequest req, SolrQueryResponse rsp) {
SolrParams params = req.getParams();
String cname = params.get(CoreAdminParams.CORE);
try {
coreContainer.reload(cname);
return false; // no change on reload
} catch (Exception ex) {
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR, "Error handling 'reload' action", ex);
}
}
public void testFlowBadFromStart() throws Exception {
// reused state
Map<String, Exception> failures = null;
Collection<String> cores = null;
Exception fail = null;
init("bad_flow");
// start with two collections: one valid, and one broken
File solrXml = new File(solrHome, "solr.xml");
FileUtils.write(solrXml, BAD_SOLR_XML, IOUtils.CHARSET_UTF_8.toString());
// our "ok" collection
FileUtils.copyFile(
getFile("solr/collection1/conf/solrconfig-basic.xml"),
FileUtils.getFile(solrHome, "col_ok", "conf", "solrconfig.xml"));
FileUtils.copyFile(
getFile("solr/collection1/conf/schema-minimal.xml"),
FileUtils.getFile(solrHome, "col_ok", "conf", "schema.xml"));
// our "bad" collection
ignoreException(Pattern.quote("DummyMergePolicy"));
FileUtils.copyFile(
getFile("solr/collection1/conf/bad-mp-solrconfig.xml"),
FileUtils.getFile(solrHome, "col_bad", "conf", "solrconfig.xml"));
FileUtils.copyFile(
getFile("solr/collection1/conf/schema-minimal.xml"),
FileUtils.getFile(solrHome, "col_bad", "conf", "schema.xml"));
// -----
// init the CoreContainer with the mix of ok/bad cores
cc.load(solrHome.getAbsolutePath(), solrXml);
// check that we have the cores we expect
cores = cc.getCoreNames();
assertNotNull("core names is null", cores);
assertEquals("wrong number of cores", 1, cores.size());
assertTrue("col_ok not found", cores.contains("col_ok"));
// check that we have the failures we expect
failures = cc.getCoreInitFailures();
assertNotNull("core failures is a null map", failures);
assertEquals("wrong number of core failures", 1, failures.size());
fail = failures.get("col_bad");
assertNotNull("null failure for test core", fail);
assertTrue(
"init failure doesn't mention problem: " + fail.getMessage(),
0 < fail.getMessage().indexOf("DummyMergePolicy"));
// check that we get null accessing a non-existent core
assertNull(cc.getCore("does_not_exist"));
// check that we get a 500 accessing the core with an init failure
try {
SolrCore c = cc.getCore("col_bad");
fail("Failed to get Exception on accessing core with init failure");
} catch (SolrException ex) {
assertEquals(500, ex.code());
// double wrapped
String cause = ex.getCause().getCause().getMessage();
assertTrue(
"getCore() ex cause doesn't mention init fail: " + cause,
0 < cause.indexOf("DummyMergePolicy"));
}
// -----
// "fix" the bad collection
FileUtils.copyFile(
getFile("solr/collection1/conf/solrconfig-basic.xml"),
FileUtils.getFile(solrHome, "col_bad", "conf", "solrconfig.xml"));
final CoreDescriptor fixed = new CoreDescriptor(cc, "col_bad", "col_bad");
cc.register("col_bad", cc.create(fixed), false);
// check that we have the cores we expect
cores = cc.getCoreNames();
assertNotNull("core names is null", cores);
assertEquals("wrong number of cores", 2, cores.size());
assertTrue("col_ok not found", cores.contains("col_ok"));
assertTrue("col_bad not found", cores.contains("col_bad"));
// check that we have the failures we expect
failures = cc.getCoreInitFailures();
assertNotNull("core failures is a null map", failures);
assertEquals("wrong number of core failures", 0, failures.size());
// -----
// try to add a collection with a path that doesn't exist
final CoreDescriptor bogus = new CoreDescriptor(cc, "bogus", "bogus_path");
try {
ignoreException(Pattern.quote("bogus_path"));
cc.create(bogus);
fail("bogus inst dir failed to trigger exception from create");
} catch (SolrException e) {
assertTrue(
"init exception doesn't mention bogus dir: " + e.getCause().getCause().getMessage(),
0 < e.getCause().getCause().getMessage().indexOf("bogus_path"));
}
// check that we have the cores we expect
cores = cc.getCoreNames();
assertNotNull("core names is null", cores);
assertEquals("wrong number of cores", 2, cores.size());
assertTrue("col_ok not found", cores.contains("col_ok"));
assertTrue("col_bad not found", cores.contains("col_bad"));
// check that we have the failures we expect
failures = cc.getCoreInitFailures();
assertNotNull("core failures is a null map", failures);
assertEquals("wrong number of core failures", 1, failures.size());
fail = failures.get("bogus");
assertNotNull("null failure for test core", fail);
assertTrue(
"init failure doesn't mention problem: " + fail.getCause().getMessage(),
0 < fail.getCause().getMessage().indexOf("bogus_path"));
// check that we get null accessing a non-existent core
assertNull(cc.getCore("does_not_exist"));
// check that we get a 500 accessing the core with an init failure
try {
SolrCore c = cc.getCore("bogus");
fail("Failed to get Exception on accessing core with init failure");
} catch (SolrException ex) {
assertEquals(500, ex.code());
// double wrapped
String cause = ex.getCause().getCause().getMessage();
assertTrue(
"getCore() ex cause doesn't mention init fail: " + cause,
0 < cause.indexOf("bogus_path"));
}
// -----
// register bogus as an alias for col_ok and confirm failure goes away
cc.register("bogus", cc.getCore("col_ok"), false);
// check that we have the cores we expect
cores = cc.getCoreNames();
assertNotNull("core names is null", cores);
assertEquals("wrong number of cores", 3, cores.size());
assertTrue("col_ok not found", cores.contains("col_ok"));
assertTrue("col_bad not found", cores.contains("col_bad"));
assertTrue("bogus not found", cores.contains("bogus"));
// check that we have the failures we expect
failures = cc.getCoreInitFailures();
assertNotNull("core failures is a null map", failures);
assertEquals("wrong number of core failures", 0, failures.size());
// -----
// break col_bad's config and try to RELOAD to add failure
final long col_bad_old_start = getCoreStartTime(cc, "col_bad");
FileUtils.write(
FileUtils.getFile(solrHome, "col_bad", "conf", "solrconfig.xml"),
"This is giberish, not valid XML <",
IOUtils.CHARSET_UTF_8.toString());
try {
ignoreException(Pattern.quote("SAX"));
cc.reload("col_bad");
fail("corrupt solrconfig.xml failed to trigger exception from reload");
} catch (SolrException e) {
assertTrue(
"We're supposed to have a wrapped SAXParserException here, but we don't",
e.getCause() instanceof SAXParseException);
SAXParseException se = (SAXParseException) e.getCause();
assertTrue(
"reload exception doesn't refer to slrconfig.xml " + se.getSystemId(),
0 < se.getSystemId().indexOf("solrconfig.xml"));
}
assertEquals(
"Failed core reload should not have changed start time",
col_bad_old_start,
getCoreStartTime(cc, "col_bad"));
// check that we have the cores we expect
cores = cc.getCoreNames();
assertNotNull("core names is null", cores);
assertEquals("wrong number of cores", 3, cores.size());
assertTrue("col_ok not found", cores.contains("col_ok"));
assertTrue("col_bad not found", cores.contains("col_bad"));
assertTrue("bogus not found", cores.contains("bogus"));
// check that we have the failures we expect
failures = cc.getCoreInitFailures();
assertNotNull("core failures is a null map", failures);
assertEquals("wrong number of core failures", 1, failures.size());
fail = failures.get("col_bad");
assertNotNull("null failure for test core", fail);
assertTrue("init failure isn't SAXParseException", fail instanceof SAXParseException);
assertTrue(
"init failure doesn't mention problem: " + fail.toString(),
0 < ((SAXParseException) fail).getSystemId().indexOf("solrconfig.xml"));
// ----
// fix col_bad's config (again) and RELOAD to fix failure
FileUtils.copyFile(
getFile("solr/collection1/conf/solrconfig-basic.xml"),
FileUtils.getFile(solrHome, "col_bad", "conf", "solrconfig.xml"));
cc.reload("col_bad");
assertTrue(
"Core reload should have changed start time",
col_bad_old_start < getCoreStartTime(cc, "col_bad"));
// check that we have the cores we expect
cores = cc.getCoreNames();
assertNotNull("core names is null", cores);
assertEquals("wrong number of cores", 3, cores.size());
assertTrue("col_ok not found", cores.contains("col_ok"));
assertTrue("col_bad not found", cores.contains("col_bad"));
assertTrue("bogus not found", cores.contains("bogus"));
// check that we have the failures we expect
failures = cc.getCoreInitFailures();
assertNotNull("core failures is a null map", failures);
assertEquals("wrong number of core failures", 0, failures.size());
}