Remove checked exceptions from @PostConstructs

Update all @PostConstruct methods to ensure that they don't throw
checked exceptions. Required to allow deployment of Spring Boot
applications on Glassfish.

Fixes gh-868

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/CrshAutoConfiguration.java

@@ -18,7 +18,6 @@ package org.springframework.boot.actuate.autoconfigure;
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.net.URISyntaxException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -214,7 +213,7 @@ public class CrshAutoConfiguration {
 		}
 
 		@PostConstruct
-		public void init() throws Exception {
+		public void init() {
 			FS commandFileSystem = createFileSystem(this.properties
 					.getCommandPathPatterns());
 			FS configurationFileSystem = createFileSystem(this.properties
@@ -232,8 +231,7 @@ public class CrshAutoConfiguration {
 			start(context);
 		}
 
-		protected FS createFileSystem(String[] pathPatterns) throws IOException,
-				URISyntaxException {
+		protected FS createFileSystem(String[] pathPatterns) {
 			Assert.notNull(pathPatterns, "PathPatterns must not be null");
 			FS fileSystem = new FS();
 			for (String pathPattern : pathPatterns) {

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/batch/BasicBatchConfigurer.java

@@ -87,10 +87,15 @@ public class BasicBatchConfigurer implements BatchConfigurer {
 	}
 
 	@PostConstruct
-	public void initialize() throws Exception {
-		this.transactionManager = createTransactionManager();
-		this.jobRepository = createJobRepository();
-		this.jobLauncher = createJobLauncher();
+	public void initialize() {
+		try {
+			this.transactionManager = createTransactionManager();
+			this.jobRepository = createJobRepository();
+			this.jobLauncher = createJobLauncher();
+		}
+		catch (Exception ex) {
+			throw new IllegalStateException("Unable to initialize Spring Batch", ex);
+		}
 	}
 
 	private JobLauncher createJobLauncher() throws Exception {

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/batch/BatchDatabaseInitializer.java

@@ -28,6 +28,7 @@ import org.springframework.core.env.Environment;
 import org.springframework.core.io.ResourceLoader;
 import org.springframework.jdbc.datasource.init.DatabasePopulatorUtils;
 import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
+import org.springframework.jdbc.support.MetaDataAccessException;
 import org.springframework.stereotype.Component;
 
 /**
@@ -58,10 +59,9 @@ public class BatchDatabaseInitializer implements EnvironmentAware {
 	}
 
 	@PostConstruct
-	protected void initialize() throws Exception {
+	protected void initialize() {
 		if (this.enabled) {
-			String platform = DatabaseType.fromMetaData(this.dataSource).toString()
-					.toLowerCase();
+			String platform = getDatabaseType();
 			if ("hsql".equals(platform)) {
 				platform = "hsqldb";
 			}
@@ -78,4 +78,13 @@ public class BatchDatabaseInitializer implements EnvironmentAware {
 		}
 	}
 
+	private String getDatabaseType() {
+		try {
+			return DatabaseType.fromMetaData(this.dataSource).toString().toLowerCase();
+		}
+		catch (MetaDataAccessException ex) {
+			throw new IllegalStateException("Unable to detect database type", ex);
+		}
+	}
+
 }

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/DataSourceAutoConfiguration.java

@@ -16,6 +16,7 @@
 
 package org.springframework.boot.autoconfigure.jdbc;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -86,7 +87,7 @@ public class DataSourceAutoConfiguration implements EnvironmentAware {
 	}
 
 	@PostConstruct
-	protected void initialize() throws Exception {
+	protected void initialize() {
 		boolean initialize = this.datasourceProperties.getProperty("initialize",
 				Boolean.class, true);
 		if (this.dataSource == null || !initialize) {
@@ -101,11 +102,7 @@ public class DataSourceAutoConfiguration implements EnvironmentAware {
 					+ ".sql,classpath*:schema.sql,classpath*:data.sql";
 		}
 
-		List<Resource> resources = new ArrayList<Resource>();
-		for (String schemaLocation : StringUtils.commaDelimitedListToStringArray(schema)) {
-			resources.addAll(Arrays.asList(this.applicationContext
-					.getResources(schemaLocation)));
-		}
+		List<Resource> resources = getSchemaResources(schema);
 
 		boolean continueOnError = this.datasourceProperties.getProperty(
 				"continueOnError", Boolean.class, false);
@@ -125,6 +122,21 @@ public class DataSourceAutoConfiguration implements EnvironmentAware {
 		}
 	}
 
+	private List<Resource> getSchemaResources(String schema) {
+		List<Resource> resources = new ArrayList<Resource>();
+		for (String schemaLocation : StringUtils.commaDelimitedListToStringArray(schema)) {
+			try {
+				resources.addAll(Arrays.asList(this.applicationContext
+						.getResources(schemaLocation)));
+			}
+			catch (IOException ex) {
+				throw new IllegalStateException("Unable to load resource from "
+						+ schemaLocation, ex);
+			}
+		}
+		return resources;
+	}
+
 	/**
 	 * Determines if the {@code dataSource} being used by Spring was created from
 	 * {@link EmbeddedDataSourceConfiguration}.

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/mongo/MongoAutoConfiguration.java

@@ -48,7 +48,7 @@ public class MongoAutoConfiguration {
 	private Mongo mongo;
 
 	@PreDestroy
-	public void close() throws UnknownHostException {
+	public void close() {
 		if (this.mongo != null) {
 			this.mongo.close();
 		}