Exemplo n.º 1
0
 /**
  * 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());
  }