Propose fix some typos (#2025)

Author: jeis2497052

README.md

@@ -23,24 +23,24 @@ engine, written in Java. It helps you search, cross-reference and navigate
 your source tree. It can understand various program file formats and
 version control histories of many source code management systems.
 
-Official page of the project is on:  
+Official page of the project is on:
 <http://opengrok.github.com/OpenGrok/>
 
 ## 2. Requirements
-* Latest Java (at least 1.8)  
+* Latest Java (at least 1.8)
   <http://www.oracle.com/technetwork/java/>
-* A servlet container like Tomcat (8.x or later) supporting Servlet 2.5 and JSP 2.1  
+* A servlet container like Tomcat (8.x or later) supporting Servlet 2.5 and JSP 2.1
   <http://tomcat.apache.org/>
-* Exuberant Ctags or Universal Ctags  
-  <http://ctags.sourceforge.net/>  
+* Exuberant Ctags or Universal Ctags
+  <http://ctags.sourceforge.net/>
   <https://ctags.io/>
 * Source Code Management installation depending on type of repositories indexed
 * If you want to build OpenGrok:
-  * Ant (1.9.4 and later)  
+  * Ant (1.9.4 and later)
     <http://ant.apache.org/>
-  * JFlex  
+  * JFlex
     <http://www.jflex.de/>
-  * Netbeans (optional, at least 8.2, will need Ant 1.9.4)  
+  * Netbeans (optional, at least 8.2, will need Ant 1.9.4)
     <http://netbeans.org/>
 
 ## 3. Usage
@@ -114,7 +114,7 @@ Currently supported message types:
 3. **StatsMessage (stats)** – this message is designed to retrieve some information from the web application.
 
     The purpose of the message is specified in the text field as one of:
-    
+
     * **reload** – the application reloads the statistics file
                 and returns the loaded statistics
     * **clean**  – the application cleans its current statistics
@@ -132,7 +132,7 @@ Currently supported message types:
 5. **RefreshMesssage (refresh)** – sent at the end of partial reindex to trigger refresh of `SearcherManagers`.
 
 6. **ProjectMessage** – used for adding/deleting projects and partial (per-project) reindex.
-    
+
   * **add** – adds project(s) and its repositories to the configuration.
     If the project already exists, refresh list of its repositories.
   * **delete** – removes project(s) and its repositores from the configuration.
@@ -211,7 +211,7 @@ stored (can vary on your system).
 Note that now you might need to change to user which owns the target
 directories for data, e.g. on Solaris you'd do:
 
-```bash 
+```bash
 pfexec su - webservd
 cd /usr/opengrok/bin
 ```
@@ -328,7 +328,7 @@ them and index them.
 It basically works like this:
 
 1. bootstrap initial configuration: OpenGrok bootstrap
-  
+
   * this will create `/var/opengrok/etc/configuration.xml` with basic set of
     properties. If more is needed use:
 
@@ -443,13 +443,13 @@ There are 2 (or 3) steps needed for this task.
 
 #### 5.4.1 Populate DATA_ROOT Directory
 
-* **Option 1. OpenGrok**:  
+* **Option 1. OpenGrok**:
   There is a sample shell script `OpenGrok` that is suitable
 for using in a cron job to run regularly. Modify the variables in the script
 to point appropriate directories, or as the code suggests factor your local
 configuration into a separate file and simplify future upgrades.
 
-* **Option 2. opengrok.jar**:  
+* **Option 2. opengrok.jar**:
   You can also directly use the Java application. If
   the sources are all located in a directory `SRC_ROOT` and the data and
   hypertext files generated by OpenGrok are to be stored in `DATA_ROOT`, run
@@ -523,12 +523,12 @@ Note that only some paths can have a description.
 `web.xml` is the deployment descriptor for the web application. It is in a Jar
 file named `source.war`, you can change it as follows:
 
-* **Option 1**:  
+* **Option 1**:
   Unzip the file to `TOMCAT/webapps/source/` directory and
      change the `source/WEB-INF/web.xml` and other static html files like
      `index.html` to customize to your project.
 
-* **Option 2**:  
+* **Option 2**:
   Extract the `web.xml` file from `source.war` file
 
   ```bash
@@ -543,7 +543,7 @@ file named `source.war`, you can change it as follows:
 
   Then copy the war files to `TOMCAT/webapps` directory.
 
-* **Option 3**:  
+* **Option 3**:
   Edit the Context container element for the webapp
 
   Copy `source.war` to `TOMCAT/webapps`
@@ -554,7 +554,7 @@ file named `source.war`, you can change it as follows:
 
   After the index is built, there's a couple different ways to set the
   Context for the servlet container:
-  
+
   * Add the Context inside a Host element in `TOMCAT/conf/server.xml`
 
       ```xml
@@ -649,10 +649,10 @@ source.war WEB-INF/web.xml`) file, edit `web.xml` and re-package the jar file
 parameters appropriately. These sample parameters need modifying(there are
 more options, refer to manual or read param comments).
 
-* **CONFIGURATION** – the absolute path to XML file containing project configuration 
+* **CONFIGURATION** – the absolute path to XML file containing project configuration
   (e.g. `/var/opengrok/etc/configuration.xml`)
 * **ConfigAddress** – port for remote updates to configuration, optional, but advised(since there is no authentication)
-  to be set to `localhost:<some_port>` (e.g. `localhost:2424`), if you choose `some_port` below 1024 you have to have 
+  to be set to `localhost:<some_port>` (e.g. `localhost:2424`), if you choose `some_port` below 1024 you have to have
   root privileges
 
 If you need to change name of the web application from source to something
@@ -663,16 +663,16 @@ deploying `source.war`, but you can use it to deploy your `new_name.war` too.
 
 Deploy the modified `.war` file in glassfish/Sun Java App Server:
 
-* **Option 1**:  
-  Use browser and log into glassfish web administration interface: Common Tasks / Applications / Web Applications 
+* **Option 1**:
+  Use browser and log into glassfish web administration interface: Common Tasks / Applications / Web Applications
   , button Deploy and point it to your `source.war` webarchive
 
-* **Option 2**:  
+* **Option 2**:
   Copy the `source.war` file to
     `GLASSFISH/domains/YOURDOMAIN/autodeploy` directory, glassfish will try
     to deploy it "auto magically".
 
-* **Option 3**:  
+* **Option 3**:
   Use cli from GLASSFISH directory:
 
   ```bash
@@ -690,7 +690,7 @@ Just run `ant` from command line in the top-level directory or use build
 process driven by graphical developer environment such as Netbeans.
 
 Note: in case you are behind http proxy, use `ANT_OPTS` to download jflex, lucene.
-E.g. 
+E.g.
 ```bash
 ANT_OPTS="-Dhttp.proxyHost=?.? -Dhttp.proxyPort=80" ant
 ```
@@ -722,7 +722,7 @@ ant -lib ./lib test
 ```
 
 To check if the test completed without error look for `AssertionFailedError`
-occurences in the `TESTS-TestSuites.xml` file produced by the test run.
+occurrences in the `TESTS-TestSuites.xml` file produced by the test run.
 
 ### 8.2 Using Findbugs
 
@@ -1001,9 +1001,9 @@ export JAVA_OPTS
 For tomcat you might also hit a limit for http header size (we use it to send
 the project list when requesting search results):
 
-* increase(add) in `conf/server.xml` 
- 
-  ```xml 
+* increase(add) in `conf/server.xml`
+
+  ```xml
   maxHttpHeaderSize
   connectionTimeout="20000"
   maxHttpHeaderSize="65536"
@@ -1057,7 +1057,7 @@ The project has been originally conceived in Sun Microsystems by Chandan B.N.
 Feel free to participate in discussion on the mailing lists:
 
   `[email protected]` (user topics)
-  
+
   `[email protected]` (developers' discussion)
 
 To subscribe, send email to `<mailing_list_name>[email protected]`

plugins/LdapPlugin/src/opengrok/auth/plugin/ldap/LdapFacade.java

@@ -78,7 +78,7 @@ public class LdapFacade extends AbstractLdapProvider {
      * server waiting.
      */
     private int interval = 10 * 1000;
-    
+
     /**
      * LDAP search base
      */
@@ -224,11 +224,11 @@ public void setInterval(int interval) {
     public String getSearchBase() {
         return searchBase;
     }
-            
+
     public void setSearchBase(String base) {
         this.searchBase = base;
     }
-    
+
     @Override
     public boolean isConfigured() {
         return servers != null && servers.size() > 0 && LDAP_FILTER != null && searchBase != null;
@@ -340,7 +340,7 @@ private <T> T lookup(String dn, String filter, String[] attributes, AttributeMap
             actualServer = getNextServer();
             return lookup(dn, filter, attributes, mapper, fail + 1);
         } catch (NamingException ex) {
-            LOGGER.log(Level.SEVERE, "An arbitrary LDAP error occured.", ex);
+            LOGGER.log(Level.SEVERE, "An arbitrary LDAP error occurred.", ex);
             closeActualServer();
             actualServer = getNextServer();
             return lookup(dn, filter, attributes, mapper, fail + 1);

src/org/opensolaris/opengrok/configuration/Groups.java

@@ -96,7 +96,7 @@ public static void main(String[] argv) {
                         try {
                             cfg = Configuration.read(f);
                         } catch (ArrayIndexOutOfBoundsException ex) {
-                            System.err.println("An error occured - this may mean that the input file is not well-formated.");
+                            System.err.println("An error occurred - this may mean that the input file is not well-formated.");
                             System.err.println();
                             ex.printStackTrace(System.err);
                             System.exit(3);
@@ -132,11 +132,11 @@ public static void main(String[] argv) {
                 }
             }
         } catch (FileNotFoundException ex) {
-            System.err.println("An error occured - file does not exist");
+            System.err.println("An error occurred - file does not exist");
             ex.printStackTrace(System.err);
             System.exit(3);
         } catch (IOException ex) {
-            System.err.println("An unknown error occured - the input file may be corrupted");
+            System.err.println("An unknown error occurred - the input file may be corrupted");
             ex.printStackTrace(System.err);
             System.exit(3);
         }
@@ -225,11 +225,11 @@ private static PrintStream prepareOutput(File outFile) {
             try {
                 out = new PrintStream(outFile, "utf-8");
             } catch (FileNotFoundException ex) {
-                System.err.println("An error occured - file does not exist");
+                System.err.println("An error occurred - file does not exist");
                 ex.printStackTrace(System.err);
                 System.exit(3);
             } catch (UnsupportedEncodingException ex) {
-                System.err.println("An error occured - file contains unsupported charset");
+                System.err.println("An error occurred - file contains unsupported charset");
                 ex.printStackTrace(System.err);
                 System.exit(3);
             }

src/org/opensolaris/opengrok/history/DirectoryHistoryReader.java

@@ -80,7 +80,7 @@ public class DirectoryHistoryReader {
     List<String> icomment;
     HistoryEntry currentEntry; // set in next()
     History history; // set in the constructor
-    
+
     private static final int MAX_RESULTS=40;
 
     /**
@@ -121,7 +121,7 @@ public DirectoryHistoryReader(String path) throws IOException {
                 hits = fdocs.scoreDocs;
             } catch (ParseException e) {
                 LOGGER.log(Level.WARNING,
-                        "An error occured while parsing search query", e);
+                        "An error occurred while parsing search query", e);
             }
             if (hits != null) {
                 // Get maximum MAX_RESULTS (why ? XXX) files which were changed recently.
@@ -150,7 +150,7 @@ public DirectoryHistoryReader(String path) throws IOException {
                             hist = HistoryGuru.getInstance().getHistory(f);
                         } catch (HistoryException e) {
                             LOGGER.log(Level.WARNING,
-                                    "An error occured while getting history reader", e);
+                                    "An error occurred while getting history reader", e);
                         }
                         if (hist == null) {
                             put(cdate, "", "-", "", rpath);
@@ -177,7 +177,7 @@ public DirectoryHistoryReader(String path) throws IOException {
                     ireader.close();
                 } catch (Exception ex) {
                     LOGGER.log(Level.WARNING,
-                            "An error occured while closing reader", ex);
+                            "An error occurred while closing reader", ex);
                 }
             }
         }