Removed exceptions from @PostConstruct methods, closes #663

openid-connect-client/src/main/java/org/mitre/openid/connect/client/service/impl/StaticClientConfigurationService.java

@@ -66,7 +66,7 @@ public class StaticClientConfigurationService implements ClientConfigurationServ
 	}
 
 	@PostConstruct
-	public void afterPropertiesSet() throws Exception {
+	public void afterPropertiesSet() {
 		if (clients == null || clients.isEmpty()) {
 			throw new IllegalArgumentException("Clients map cannot be null or empty");
 		}

openid-connect-client/src/main/java/org/mitre/openid/connect/client/service/impl/StaticServerConfigurationService.java

@@ -60,7 +60,7 @@ public class StaticServerConfigurationService implements ServerConfigurationServ
 	}
 
 	@PostConstruct
-	public void afterPropertiesSet() throws Exception {
+	public void afterPropertiesSet() {
 		if (servers == null || servers.isEmpty()) {
 			throw new IllegalArgumentException("Servers map cannot be null or empty.");
 		}

openid-connect-client/src/main/java/org/mitre/openid/connect/client/service/impl/StaticSingleIssuerService.java

@@ -60,7 +60,7 @@ public class StaticSingleIssuerService implements IssuerService {
 	}
 
 	@PostConstruct
-	public void afterPropertiesSet() throws Exception {
+	public void afterPropertiesSet() {
 
 		if (Strings.isNullOrEmpty(issuer)) {
 			throw new IllegalArgumentException("Issuer must not be null or empty.");

openid-connect-client/src/main/java/org/mitre/openid/connect/client/service/impl/ThirdPartyIssuerService.java

@@ -127,11 +127,8 @@ public class ThirdPartyIssuerService implements IssuerService {
 		this.blacklist = blacklist;
 	}
 
-	/* (non-Javadoc)
-	 * @see org.springframework.beans.factory.InitializingBean#afterPropertiesSet()
-	 */
 	@PostConstruct
-	public void afterPropertiesSet() throws Exception {
+	public void afterPropertiesSet() {
 		if (Strings.isNullOrEmpty(this.accountChooserUrl)) {
 			throw new IllegalArgumentException("Account Chooser URL cannot be null or empty");
 		}

openid-connect-common/src/main/java/org/mitre/jwt/encryption/service/impl/DefaultJwtEncryptionAndDecryptionService.java

@@ -109,12 +109,20 @@ public class DefaultJwtEncryptionAndDecryptionService implements JwtEncryptionAn
 
 
 	@PostConstruct
-	public void afterPropertiesSet() throws NoSuchAlgorithmException, InvalidKeySpecException, JOSEException{
+	public void afterPropertiesSet() {
 
 		if (keys == null) {
 			throw new IllegalArgumentException("Encryption and decryption service must have at least one key configured.");
 		}
-		buildEncryptersAndDecrypters();
+		try {
+			buildEncryptersAndDecrypters();
+		} catch (NoSuchAlgorithmException e) {
+			throw new IllegalArgumentException("Encryption and decryption service could not find given algorithm.");
+		} catch (InvalidKeySpecException e) {
+			throw new IllegalArgumentException("Encryption and decryption service saw an invalid key specification.");
+		} catch (JOSEException e) {
+			throw new IllegalArgumentException("Encryption and decryption service was unable to process JOSE object.");
+		}
 	}
 
 	public String getDefaultEncryptionKeyId() {