diff --git a/src/main/java/com/bettercloud/vault/VaultConfig.java b/src/main/java/com/bettercloud/vault/VaultConfig.java
index cdb771d7..f4f9e42e 100644
--- a/src/main/java/com/bettercloud/vault/VaultConfig.java
+++ b/src/main/java/com/bettercloud/vault/VaultConfig.java
@@ -209,17 +209,18 @@ public VaultConfig readTimeout(final Integer readTimeout) {
     }
 
     /**
-     * Sets the "path depth" of the prefix path.  This defaults to 1, corresponding to one
-     * path element in the prefix path.  To use a longer prefix path, set this value.
+     * <p>Set the "path depth" of the prefix path.  Normally this is just
+     * 1, to correspond to one path element in the prefix path.  To use
+     * a longer prefix path, set this value.</p>
      *
      * @param pathLength integer number of path elements in the prefix path
      */
-    public VaultConfig prefixPathDepth(int pathLength) {
-       if (pathLength < 1) {
+    public VaultConfig prefixPathDepth(int prefixPathDepth) {
+       if (prefixPathDepth < 1) {
           throw new IllegalArgumentException("pathLength must be > 1");
        }
 
-       this.prefixPathDepth = pathLength;
+       this.prefixPathDepth = prefixPathDepth;
        return this;
     }
 
diff --git a/src/main/java/com/bettercloud/vault/api/Auth.java b/src/main/java/com/bettercloud/vault/api/Auth.java
index 812d7682..4907e571 100644
--- a/src/main/java/com/bettercloud/vault/api/Auth.java
+++ b/src/main/java/com/bettercloud/vault/api/Auth.java
@@ -355,7 +355,9 @@ public AuthResponse createToken(final TokenRequest tokenRequest, final String to
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -421,7 +423,9 @@ public AuthResponse loginByAppID(final String path, final String appId, final St
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -515,7 +519,9 @@ public AuthResponse loginByAppRole(final String path, final String roleId, final
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -598,7 +604,9 @@ public AuthResponse loginByUserPass(final String username, final String password
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -720,7 +728,9 @@ public AuthResponse loginByAwsEc2(final String role, final String identity, fina
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -796,7 +806,9 @@ public AuthResponse loginByAwsEc2(final String role, final String pkcs7, final S
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -875,7 +887,9 @@ public AuthResponse loginByAwsIam(final String role, final String iamRequestUrl,
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -960,7 +974,9 @@ public AuthResponse loginByGithub(final String githubToken, final String githubA
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -1024,7 +1040,9 @@ public AuthResponse loginByJwt(final String provider, final String role, final S
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -1163,7 +1181,8 @@ public AuthResponse loginByCert(final String certAuthMount) throws VaultExceptio
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(),
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
                             restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
@@ -1246,7 +1265,9 @@ public AuthResponse renewSelf(final long increment, final String tokenAuthMount)
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();
                 if (!mimeType.equals("application/json")) {
@@ -1308,7 +1329,9 @@ public LookupResponse lookupSelf(final String tokenAuthMount) throws VaultExcept
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType();
                 if (!"application/json".equals(mimeType)) {
@@ -1432,7 +1455,9 @@ public void revokeSelf(final String tokenAuthMount) throws VaultException {
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 204) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(), restResponse.getStatus());
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
+                            restResponse.getStatus());
                 }
                 return;
             } catch (Exception e) {
@@ -1534,7 +1559,8 @@ public AuthResponse unwrap(final String wrappedToken) throws VaultException {
 
                 // Validate restResponse
                 if (restResponse.getStatus() != 200) {
-                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus(),
+                    throw new VaultException("Vault responded with HTTP status code: " + restResponse.getStatus()
+                            + "\nResponse body: " + new String(restResponse.getBody(), StandardCharsets.UTF_8),
                             restResponse.getStatus());
                 }
                 final String mimeType = restResponse.getMimeType() == null ? "null" : restResponse.getMimeType();