Examples with RuntimeIOException org.apache.jena.atlas.RuntimeIOException used on opensource projects

Example 16 with RuntimeIOException

use of org.apache.jena.atlas.RuntimeIOException in project jena by apache.

the class ActionDatasets method execDeleteItem.

// ---- DELETE
@Override
protected void execDeleteItem(HttpAction action) {
    // Does not exist?
    String name = getItemDatasetName(action);
    if (name == null)
        name = "";
    action.log.info(format("[%d] DELETE dataset=%s", action.id, name));
    if (!action.getDataAccessPointRegistry().isRegistered(name))
        ServletOps.errorNotFound("No such dataset registered: " + name);
    // This acts as a lock.
    systemDSG.begin(ReadWrite.WRITE);
    boolean committed = false;
    try {
        // Here, go offline.
        // Need to reference count operations when they drop to zero
        // or a timer goes off, we delete the dataset.
        // Redo check inside transaction.
        DataAccessPoint ref = action.getDataAccessPointRegistry().get(name);
        if (ref == null)
            ServletOps.errorNotFound("No such dataset registered: " + name);
        // Get a reference before removing.
        DataService dataService = ref.getDataService();
        // ---- Make it invisible in this running server.
        action.getDataAccessPointRegistry().remove(name);
        // Find the configuration.
        String filename = name.startsWith("/") ? name.substring(1) : name;
        List<String> configurationFiles = FusekiWebapp.existingConfigurationFile(filename);
        if (configurationFiles.isEmpty()) {
            // ---- Unmanaged
            action.log.warn(format("[%d] Can't delete database configuration - not a managed database", action.id, name));
            // ServletOps.errorOccurred(format("Can't delete database - not a managed configuration", name));
            systemDSG.commit();
            committed = true;
            ServletOps.success(action);
            return;
        }
        if (configurationFiles.size() > 1) {
            // -- This should not happen.
            action.log.warn(format("[%d] There are %d configuration files, not one.", action.id, configurationFiles.size()));
            ServletOps.errorOccurred(format("There are %d configuration files, not one. Delete not performed; clearup of the filesystem needed.", configurationFiles.size()));
            return;
        }
        // ---- Remove managed database.
        String cfgPathname = configurationFiles.get(0);
        // Delete configuration file.
        // Once deleted, server restart will not have the database.
        FileOps.deleteSilent(cfgPathname);
        // Delete the database for real only when it is in the server "run/databases"
        // area. Don't delete databases that reside elsewhere. We do delete the
        // configuration file, so the databases will not be associated with the server
        // anymore.
        boolean isTDB1 = org.apache.jena.tdb.sys.TDBInternal.isTDB1(dataService.getDataset());
        boolean isTDB2 = org.apache.jena.tdb2.sys.TDBInternal.isTDB2(dataService.getDataset());
        dataService.shutdown();
        // JENA-1481: Really delete files.
        if ((isTDB1 || isTDB2)) {
            // Delete databases created by the UI, or the admin operation, which are
            // in predictable, unshared location on disk.
            // There may not be any database files, the in-memory case.
            Path pDatabase = FusekiWebapp.dirDatabases.resolve(filename);
            if (Files.exists(pDatabase)) {
                try {
                    if (Files.isSymbolicLink(pDatabase)) {
                        action.log.info(format("[%d] Database is a symbolic link, not removing files", action.id, pDatabase));
                    } else {
                        IO.deleteAll(pDatabase);
                        action.log.info(format("[%d] Deleted database files %s", action.id, pDatabase));
                    }
                } catch (RuntimeIOException ex) {
                    action.log.error(format("[%d] Error while deleting database files %s: %s", action.id, pDatabase, ex.getMessage()), ex);
                // But we have managed to remove it from the running server, and removed its configuration, so declare victory.
                }
            }
        }
        // -- System database
        // Find graph associated with this dataset name.
        // (Statically configured databases aren't in the system database.)
        Node n = NodeFactory.createLiteral(DataAccessPoint.canonical(name));
        Quad q = getOne(systemDSG, null, null, pServiceName.asNode(), n);
        // ServletOps.errorBadRequest("Failed to find dataset for '"+name+"'");
        if (q != null) {
            Node gn = q.getGraph();
            // action.log.info("SHUTDOWN NEEDED"); // To ensure it goes away?
            systemDSG.deleteAny(gn, null, null, null);
        }
        systemDSG.commit();
        committed = true;
        ServletOps.success(action);
    } finally {
        if (!committed)
            systemDSG.abort();
        systemDSG.end();
    }
}

Example 17 with RuntimeIOException

use of org.apache.jena.atlas.RuntimeIOException in project jena by apache.

the class TransInteger method read.

// -- Read/write the value
// This should really be checksum'ed or other internal check to make sure IO worked.
private static long read(String filename) {
    try {
        String str = IO.readWholeFileAsUTF8(filename);
        if (str.endsWith("\n")) {
            str = str.substring(0, str.length() - 1);
        }
        str = str.trim();
        return Long.parseLong(str);
    } catch (RuntimeIOException ex) {
        Log.error(TransInteger.class, "IOException: " + ex.getMessage(), ex);
        throw ex;
    } catch (NumberFormatException ex) {
        Log.error(TransInteger.class, "NumberformatException: " + ex.getMessage());
        throw new InternalErrorException(ex);
    }
}