Merge improvements from outdated PR 4527

@@ -674,6 +674,7 @@ transport:
     registered_pool_size: "${LWM2M_REGISTERED_POOL_SIZE:10}"
     registered_pool_size: "${LWM2M_REGISTERED_POOL_SIZE:10}"
     update_registered_pool_size: "${LWM2M_UPDATE_REGISTERED_POOL_SIZE:10}"
     update_registered_pool_size: "${LWM2M_UPDATE_REGISTERED_POOL_SIZE:10}"
     un_registered_pool_size: "${LWM2M_UN_REGISTERED_POOL_SIZE:10}"
     un_registered_pool_size: "${LWM2M_UN_REGISTERED_POOL_SIZE:10}"
+    log_max_length: "${LWM2M_LOG_MAX_LENGTH:100}"
     # Use redis for Security and Registration stores
     # Use redis for Security and Registration stores
     redis.enabled: "${LWM2M_REDIS_ENABLED:false}"
     redis.enabled: "${LWM2M_REDIS_ENABLED:false}"
   snmp:
   snmp:

+/**
+ * Copyright © 2016-2021 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.transport.lwm2m.client;
+
+import lombok.Data;
+
+import java.util.UUID;
+
+@Data
+public class LwM2mSoftwareUpdate {
+    private volatile String clientSwVersion;
+    private volatile String currentSwVersion;
+    private volatile UUID currentSwId;
+}

@@ -29,6 +29,7 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStream;
+import java.net.URI;
 import java.nio.file.Path;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.Paths;
 import java.security.KeyStore;
 import java.security.KeyStore;
@@ -136,18 +137,26 @@ public class LwM2MTransportServerConfig implements LwM2MSecureServerConfig {
     @Getter
     @Getter
     @Value("${transport.lwm2m.server.security.alias:}")
     @Value("${transport.lwm2m.server.security.alias:}")
     private String certificateAlias;
     private String certificateAlias;
-    
-    
+
+    @Getter
+    @Value("${transport.lwm2m.log_max_length:}")
+    private int logMaxLength;
+
+
     @PostConstruct
     @PostConstruct
     public void init() {
     public void init() {
+        URI uri = null;
         try {
         try {
-            File keyStoreFile = new File(Resources.getResource(keyStorePathFile).toURI());
+            uri = Resources.getResource(keyStorePathFile).toURI();
+            log.error("URI: {}", uri);
+            File keyStoreFile = new File(uri);
             InputStream inKeyStore = new FileInputStream(keyStoreFile);
             InputStream inKeyStore = new FileInputStream(keyStoreFile);
             keyStoreValue = KeyStore.getInstance(keyStoreType);
             keyStoreValue = KeyStore.getInstance(keyStoreType);
             keyStoreValue.load(inKeyStore, keyStorePassword == null ? null : keyStorePassword.toCharArray());
             keyStoreValue.load(inKeyStore, keyStorePassword == null ? null : keyStorePassword.toCharArray());
         } catch (Exception e) {
         } catch (Exception e) {
             log.error("Unable to lookup LwM2M keystore. Reason: " + e.getMessage(), e);
             log.error("Unable to lookup LwM2M keystore. Reason: " + e.getMessage(), e);
-            throw new RuntimeException("Failed to lookup LwM2M keystore", e);
+//            Absence of the key store should not block user from using plain LwM2M
+//            throw new RuntimeException("Failed to lookup LwM2M keystore: " + (uri != null ? uri.toString() : ""), e);
         }
         }
     }
     }
 }
 }

@@ -87,6 +87,7 @@ import static org.thingsboard.server.common.data.lwm2m.LwM2mConstants.LWM2M_SEPA
 import static org.thingsboard.server.common.data.lwm2m.LwM2mConstants.LWM2M_SEPARATOR_PATH;
 import static org.thingsboard.server.common.data.lwm2m.LwM2mConstants.LWM2M_SEPARATOR_PATH;
 import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.CLIENT_NOT_AUTHORIZED;
 import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.CLIENT_NOT_AUTHORIZED;
 import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.DEVICE_ATTRIBUTES_REQUEST;
 import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.DEVICE_ATTRIBUTES_REQUEST;
+import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.FR_OBJECT_ID;
 import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.FR_PATH_RESOURCE_VER_ID;
 import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.FR_PATH_RESOURCE_VER_ID;
 import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.LOG_LW2M_ERROR;
 import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.LOG_LW2M_ERROR;
 import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.LOG_LW2M_INFO;
 import static org.thingsboard.server.transport.lwm2m.server.LwM2mTransportHandlerUtil.LOG_LW2M_INFO;
@@ -1420,9 +1421,8 @@ public class DefaultLwM2MTransportMsgHandler implements LwM2mTransportMsgHandler
             int chunkSize = 0;
             int chunkSize = 0;
             int chunk = 0;
             int chunk = 0;
             byte[] firmwareChunk = firmwareDataCache.get(lwM2MClient.getFrUpdate().getCurrentFwId().toString(), chunkSize, chunk);
             byte[] firmwareChunk = firmwareDataCache.get(lwM2MClient.getFrUpdate().getCurrentFwId().toString(), chunkSize, chunk);
-            Integer objectId = 5;
-            String verSupportedObject = lwM2MClient.getRegistration().getSupportedObject().get(objectId);
-            String targetIdVer = LWM2M_SEPARATOR_PATH + objectId + LWM2M_SEPARATOR_KEY + verSupportedObject + LWM2M_SEPARATOR_PATH + 0 + LWM2M_SEPARATOR_PATH + 0;
+            String verSupportedObject = lwM2MClient.getRegistration().getSupportedObject().get(FR_OBJECT_ID);
+            String targetIdVer = LWM2M_SEPARATOR_PATH + FR_OBJECT_ID + LWM2M_SEPARATOR_KEY + verSupportedObject + LWM2M_SEPARATOR_PATH + 0 + LWM2M_SEPARATOR_PATH + 0;
             lwM2mTransportRequest.sendAllRequest(lwM2MClient.getRegistration(), targetIdVer, WRITE_REPLACE, ContentFormat.OPAQUE.getName(),
             lwM2mTransportRequest.sendAllRequest(lwM2MClient.getRegistration(), targetIdVer, WRITE_REPLACE, ContentFormat.OPAQUE.getName(),
                     firmwareChunk, config.getTimeout(), null);
                     firmwareChunk, config.getTimeout(), null);
             log.warn("updateFirmwareClient [{}] [{}]", lwM2MClient.getFrUpdate().getCurrentFwVersion(), lwM2MClient.getFrUpdate().getClientFwVersion());
             log.warn("updateFirmwareClient [{}] [{}]", lwM2MClient.getFrUpdate().getCurrentFwVersion(), lwM2MClient.getFrUpdate().getClientFwVersion());

@@ -117,29 +117,29 @@ public class DefaultLwM2mTransportService implements LwM2MTransportService {
         builder.setLocalAddress(config.getHost(), serverPortNoSec);
         builder.setLocalAddress(config.getHost(), serverPortNoSec);
         builder.setLocalSecureAddress(config.getSecureHost(), serverSecurePort);
         builder.setLocalSecureAddress(config.getSecureHost(), serverSecurePort);
         builder.setDecoder(new DefaultLwM2mNodeDecoder());
         builder.setDecoder(new DefaultLwM2mNodeDecoder());
-        /** Use a magic converter to support bad type send by the UI. */
+        /* Use a magic converter to support bad type send by the UI. */
         builder.setEncoder(new DefaultLwM2mNodeEncoder(LwM2mValueConverterImpl.getInstance()));
         builder.setEncoder(new DefaultLwM2mNodeEncoder(LwM2mValueConverterImpl.getInstance()));
 
 
 
 
-        /** Create CoAP Config */
+        /* Create CoAP Config */
         NetworkConfig networkConfig = getCoapConfig(serverPortNoSec, serverSecurePort);
         NetworkConfig networkConfig = getCoapConfig(serverPortNoSec, serverSecurePort);
         BlockwiseLayer blockwiseLayer = new BlockwiseLayer(networkConfig);
         BlockwiseLayer blockwiseLayer = new BlockwiseLayer(networkConfig);
         builder.setCoapConfig(getCoapConfig(serverPortNoSec, serverSecurePort));
         builder.setCoapConfig(getCoapConfig(serverPortNoSec, serverSecurePort));
 
 
-        /** Define model provider (Create Models )*/
+        /* Define model provider (Create Models )*/
         LwM2mModelProvider modelProvider = new LwM2mVersionedModelProvider(this.lwM2mClientContext, this.helper, this.context);
         LwM2mModelProvider modelProvider = new LwM2mVersionedModelProvider(this.lwM2mClientContext, this.helper, this.context);
         config.setModelProvider(modelProvider);
         config.setModelProvider(modelProvider);
         builder.setObjectModelProvider(modelProvider);
         builder.setObjectModelProvider(modelProvider);
 
 
-        /**  Create credentials */
+        /*  Create credentials */
         this.setServerWithCredentials(builder);
         this.setServerWithCredentials(builder);
 
 
-        /** Set securityStore with new registrationStore */
+        /* Set securityStore with new registrationStore */
         builder.setSecurityStore(securityStore);
         builder.setSecurityStore(securityStore);
         builder.setRegistrationStore(registrationStore);
         builder.setRegistrationStore(registrationStore);
 
 
 
 
-        /** Create DTLS Config */
+        /* Create DTLS Config */
         DtlsConnectorConfig.Builder dtlsConfig = new DtlsConnectorConfig.Builder();
         DtlsConnectorConfig.Builder dtlsConfig = new DtlsConnectorConfig.Builder();
         dtlsConfig.setServerOnly(true);
         dtlsConfig.setServerOnly(true);
         dtlsConfig.setRecommendedSupportedGroupsOnly(config.isRecommendedSupportedGroups());
         dtlsConfig.setRecommendedSupportedGroupsOnly(config.isRecommendedSupportedGroups());
@@ -156,10 +156,10 @@ public class DefaultLwM2mTransportService implements LwM2MTransportService {
                     TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256);
                     TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256);
         }
         }
 
 
-        /** Set DTLS Config */
+        /* Set DTLS Config */
         builder.setDtlsConfig(dtlsConfig);
         builder.setDtlsConfig(dtlsConfig);
 
 
-        /** Create LWM2M server */
+        /* Create LWM2M server */
         return builder.build();
         return builder.build();
     }
     }
 
 
@@ -173,10 +173,10 @@ public class DefaultLwM2mTransportService implements LwM2MTransportService {
                         trustedCertificates[0] = rootCAX509Cert;
                         trustedCertificates[0] = rootCAX509Cert;
                         builder.setTrustedCertificates(trustedCertificates);
                         builder.setTrustedCertificates(trustedCertificates);
                     } else {
                     } else {
-                        /** by default trust all */
+                        /* by default trust all */
                         builder.setTrustedCertificates(new X509Certificate[0]);
                         builder.setTrustedCertificates(new X509Certificate[0]);
                     }
                     }
-                    /** Set securityStore with registrationStore*/
+                    /* Set securityStore with registrationStore*/
                     builder.setAuthorizer(new DefaultAuthorizer(securityStore, new SecurityChecker() {
                     builder.setAuthorizer(new DefaultAuthorizer(securityStore, new SecurityChecker() {
                         @Override
                         @Override
                         protected boolean matchX509Identity(String endpoint, String receivedX509CommonName,
                         protected boolean matchX509Identity(String endpoint, String receivedX509CommonName,
@@ -189,7 +189,7 @@ public class DefaultLwM2mTransportService implements LwM2MTransportService {
                 this.infoPramsUri("RPK");
                 this.infoPramsUri("RPK");
                 this.infoParamsServerKey(this.publicKey, this.privateKey);
                 this.infoParamsServerKey(this.publicKey, this.privateKey);
             } else {
             } else {
-                /** by default trust all */
+                /* by default trust all */
                 builder.setTrustedCertificates(new X509Certificate[0]);
                 builder.setTrustedCertificates(new X509Certificate[0]);
                 log.info("Unable to load X509 files for LWM2MServer");
                 log.info("Unable to load X509 files for LWM2MServer");
                 this.pskMode = true;
                 this.pskMode = true;
@@ -256,7 +256,7 @@ public class DefaultLwM2mTransportService implements LwM2MTransportService {
     }
     }
 
 
     private void generateKeyForRPK() throws NoSuchAlgorithmException, InvalidParameterSpecException, InvalidKeySpecException {
     private void generateKeyForRPK() throws NoSuchAlgorithmException, InvalidParameterSpecException, InvalidKeySpecException {
-        /** Get Elliptic Curve Parameter spec for secp256r1 */
+        /* Get Elliptic Curve Parameter spec for secp256r1 */
         AlgorithmParameters algoParameters = AlgorithmParameters.getInstance("EC");
         AlgorithmParameters algoParameters = AlgorithmParameters.getInstance("EC");
         algoParameters.init(new ECGenParameterSpec("secp256r1"));
         algoParameters.init(new ECGenParameterSpec("secp256r1"));
         ECParameterSpec parameterSpec = algoParameters.getParameterSpec(ECParameterSpec.class);
         ECParameterSpec parameterSpec = algoParameters.getParameterSpec(ECParameterSpec.class);
@@ -280,17 +280,17 @@ public class DefaultLwM2mTransportService implements LwM2MTransportService {
     }
     }
 
 
     private void infoParamsServerKey(PublicKey publicKey, PrivateKey privateKey) {
     private void infoParamsServerKey(PublicKey publicKey, PrivateKey privateKey) {
-        /** Get x coordinate */
+        /* Get x coordinate */
         byte[] x = ((ECPublicKey) publicKey).getW().getAffineX().toByteArray();
         byte[] x = ((ECPublicKey) publicKey).getW().getAffineX().toByteArray();
         if (x[0] == 0)
         if (x[0] == 0)
             x = Arrays.copyOfRange(x, 1, x.length);
             x = Arrays.copyOfRange(x, 1, x.length);
 
 
-        /** Get Y coordinate */
+        /* Get Y coordinate */
         byte[] y = ((ECPublicKey) publicKey).getW().getAffineY().toByteArray();
         byte[] y = ((ECPublicKey) publicKey).getW().getAffineY().toByteArray();
         if (y[0] == 0)
         if (y[0] == 0)
             y = Arrays.copyOfRange(y, 1, y.length);
             y = Arrays.copyOfRange(y, 1, y.length);
 
 
-        /** Get Curves params */
+        /* Get Curves params */
         String params = ((ECPublicKey) publicKey).getParams().toString();
         String params = ((ECPublicKey) publicKey).getParams().toString();
         String privHex = Hex.encodeHexString(privateKey.getEncoded());
         String privHex = Hex.encodeHexString(privateKey.getEncoded());
         log.info(" \n- Public Key (Hex): [{}] \n" +
         log.info(" \n- Public Key (Hex): [{}] \n" +

@@ -23,73 +23,72 @@ public class LwM2mNetworkConfig {
         NetworkConfig coapConfig = new NetworkConfig();
         NetworkConfig coapConfig = new NetworkConfig();
         coapConfig.setInt(NetworkConfig.Keys.COAP_PORT,serverPortNoSec);
         coapConfig.setInt(NetworkConfig.Keys.COAP_PORT,serverPortNoSec);
         coapConfig.setInt(NetworkConfig.Keys.COAP_SECURE_PORT,serverSecurePort);
         coapConfig.setInt(NetworkConfig.Keys.COAP_SECURE_PORT,serverSecurePort);
-        /**
-         * Example:Property for large packet:
-         * #NetworkConfig config = new NetworkConfig();
-         * #config.setInt(NetworkConfig.Keys.MAX_MESSAGE_SIZE,32);
-         * #config.setInt(NetworkConfig.Keys.PREFERRED_BLOCK_SIZE,32);
-         * #config.setInt(NetworkConfig.Keys.MAX_RESOURCE_BODY_SIZE,2048);
-         * #config.setInt(NetworkConfig.Keys.MAX_RETRANSMIT,3);
-         * #config.setInt(NetworkConfig.Keys.MAX_TRANSMIT_WAIT,120000);
+        /*
+          Example:Property for large packet:
+          #NetworkConfig config = new NetworkConfig();
+          #config.setInt(NetworkConfig.Keys.MAX_MESSAGE_SIZE,32);
+          #config.setInt(NetworkConfig.Keys.PREFERRED_BLOCK_SIZE,32);
+          #config.setInt(NetworkConfig.Keys.MAX_RESOURCE_BODY_SIZE,2048);
+          #config.setInt(NetworkConfig.Keys.MAX_RETRANSMIT,3);
+          #config.setInt(NetworkConfig.Keys.MAX_TRANSMIT_WAIT,120000);
          */
          */
 
 
-        /**
-         * Property to indicate if the response should always include the Block2 option \
-         * when client request early blockwise negociation but the response can be sent on one packet.
-         * - value of false indicate that the server will respond without block2 option if no further blocks are required.
-         * - value of true indicate that the server will response with block2 option event if no further blocks are required.
-         *   CoAP client will try to use block mode
-         *   or adapt the block size when receiving a 4.13 Entity too large response code
+        /*
+          Property to indicate if the response should always include the Block2 option \
+          when client request early blockwise negociation but the response can be sent on one packet.
+          - value of false indicate that the server will respond without block2 option if no further blocks are required.
+          - value of true indicate that the server will response with block2 option event if no further blocks are required.
+            CoAP client will try to use block mode
+            or adapt the block size when receiving a 4.13 Entity too large response code
          */
          */
         coapConfig.setBoolean(NetworkConfig.Keys.BLOCKWISE_STRICT_BLOCK2_OPTION, true);
         coapConfig.setBoolean(NetworkConfig.Keys.BLOCKWISE_STRICT_BLOCK2_OPTION, true);
-        /***
-         * Property to indicate if the response should always include the Block2 option \
-         * when client request early blockwise negociation but the response can be sent on one packet.
-         * - value of false indicate that the server will respond without block2 option if no further blocks are required.
-         * - value of true indicate that the server will response with block2 option event if no further blocks are required.
+        /*
+         Property to indicate if the response should always include the Block2 option \
+         when client request early blockwise negociation but the response can be sent on one packet.
+         - value of false indicate that the server will respond without block2 option if no further blocks are required.
+         - value of true indicate that the server will response with block2 option event if no further blocks are required.
          */
          */
         coapConfig.setBoolean(NetworkConfig.Keys.BLOCKWISE_ENTITY_TOO_LARGE_AUTO_FAILOVER, true);
         coapConfig.setBoolean(NetworkConfig.Keys.BLOCKWISE_ENTITY_TOO_LARGE_AUTO_FAILOVER, true);
 
 
         coapConfig.setInt(NetworkConfig.Keys.BLOCKWISE_STATUS_LIFETIME, 300000);
         coapConfig.setInt(NetworkConfig.Keys.BLOCKWISE_STATUS_LIFETIME, 300000);
-        /**
-         * !!! REQUEST_ENTITY_TOO_LARGE CODE=4.13
-         * The maximum size of a resource body (in bytes) that will be accepted
-         * as the payload of a POST/PUT or the response to a GET request in a
-         * transparent> blockwise transfer.
-         * This option serves as a safeguard against excessive memory
-         * consumption when many resources contain large bodies that cannot be
-         * transferred in a single CoAP message. This option has no impact on
-         * *manually* managed blockwise transfers in which the blocks are handled individually.
-         * Note that this option does not prevent local clients or resource
-         * implementations from sending large bodies as part of a request or response to a peer.
-         * The default value of this property is DEFAULT_MAX_RESOURCE_BODY_SIZE = 8192
-         * A value of {@code 0} turns off transparent handling of blockwise transfers altogether.
+        /*
+          !!! REQUEST_ENTITY_TOO_LARGE CODE=4.13
+          The maximum size of a resource body (in bytes) that will be accepted
+          as the payload of a POST/PUT or the response to a GET request in a
+          transparent> blockwise transfer.
+          This option serves as a safeguard against excessive memory
+          consumption when many resources contain large bodies that cannot be
+          transferred in a single CoAP message. This option has no impact on
+          *manually* managed blockwise transfers in which the blocks are handled individually.
+          Note that this option does not prevent local clients or resource
+          implementations from sending large bodies as part of a request or response to a peer.
+          The default value of this property is DEFAULT_MAX_RESOURCE_BODY_SIZE = 8192
+          A value of {@code 0} turns off transparent handling of blockwise transfers altogether.
          */
          */
-//        coapConfig.setInt(NetworkConfig.Keys.MAX_RESOURCE_BODY_SIZE, 8192);
         coapConfig.setInt(NetworkConfig.Keys.MAX_RESOURCE_BODY_SIZE, 256 * 1024 * 1024);
         coapConfig.setInt(NetworkConfig.Keys.MAX_RESOURCE_BODY_SIZE, 256 * 1024 * 1024);
-        /**
-         * The default DTLS response matcher.
-         * Supported values are STRICT, RELAXED, or PRINCIPAL.
-         * The default value is STRICT.
-         * Create new instance of udp endpoint context matcher.
-         * Params:
-         * checkAddress
-         * – true with address check, (STRICT, UDP)
-         * - false, without
+        /*
+          The default DTLS response matcher.
+          Supported values are STRICT, RELAXED, or PRINCIPAL.
+          The default value is STRICT.
+          Create new instance of udp endpoint context matcher.
+          Params:
+          checkAddress
+          – true with address check, (STRICT, UDP)
+          - false, without
          */
          */
         coapConfig.setString(NetworkConfig.Keys.RESPONSE_MATCHING, "STRICT");
         coapConfig.setString(NetworkConfig.Keys.RESPONSE_MATCHING, "STRICT");
-        /**
-         * https://tools.ietf.org/html/rfc7959#section-2.9.3
-         * The block size (number of bytes) to use when doing a blockwise transfer. \
-         * This value serves as the upper limit for block size in blockwise transfers
+        /*
+          https://tools.ietf.org/html/rfc7959#section-2.9.3
+          The block size (number of bytes) to use when doing a blockwise transfer. \
+          This value serves as the upper limit for block size in blockwise transfers
          */
          */
         coapConfig.setInt(NetworkConfig.Keys.PREFERRED_BLOCK_SIZE, 1024);
         coapConfig.setInt(NetworkConfig.Keys.PREFERRED_BLOCK_SIZE, 1024);
-        /**
-         * The maximum payload size (in bytes) that can be transferred in a
-         *  single message, i.e. without requiring a blockwise transfer.
-         * NB: this value MUST be adapted to the maximum message size supported by the transport layer.
-         * In particular, this value cannot exceed the network's MTU if UDP is used as the transport protocol
-         * DEFAULT_VALUE = 1024
+        /*
+          The maximum payload size (in bytes) that can be transferred in a
+           single message, i.e. without requiring a blockwise transfer.
+          NB: this value MUST be adapted to the maximum message size supported by the transport layer.
+          In particular, this value cannot exceed the network's MTU if UDP is used as the transport protocol
+          DEFAULT_VALUE = 1024
          */
          */
         coapConfig.setInt(NetworkConfig.Keys.MAX_MESSAGE_SIZE, 1024);
         coapConfig.setInt(NetworkConfig.Keys.MAX_MESSAGE_SIZE, 1024);
 
 

@@ -404,17 +404,40 @@ public class LwM2mTransportRequest {
         }
         }
     }
     }
 
 
-    private void infoWriteResponse(Registration registration, LwM2mResponse response,
-                                   DownlinkRequest request) {
-        LwM2mNode node = ((WriteRequest) request).getNode();
-        Object value = this.converter.convertValue(((LwM2mSingleResource) node).getValue(),
-                ((LwM2mSingleResource) node).getType(), ResourceModel.Type.STRING, request.getPath());
-        String msg = String.format("%s: Update finished successfully: CoapCde - %s Lwm2m code - %d name - %s Resource path - %s value - %s",
-                LOG_LW2M_INFO, ((Response) response.getCoapResponse()).getCode(), response.getCode().getCode(),
-                response.getCode().getName(), request.getPath().toString(), value);
-        serviceImpl.sendLogsToThingsboard(msg, registration.getId());
-        log.trace("[{}] [{}] [{}] - [{}] [{}] Update finished successfully: [{}]", request.getClass().getName().toString(), registration.getEndpoint(),
-                ((Response) response.getCoapResponse()).getCode(), response.getCode(),
-                request.getPath().toString(), value);
+    private void infoWriteResponse(Registration registration, LwM2mResponse response, DownlinkRequest request) {
+        try {
+            LwM2mNode node = ((WriteRequest) request).getNode();
+            String msg;
+            Object value;
+            LwM2mSingleResource singleResource = (LwM2mSingleResource) node;
+            if (singleResource.getType() == ResourceModel.Type.STRING || singleResource.getType() == ResourceModel.Type.OPAQUE) {
+                int valueLength;
+                if (singleResource.getType() == ResourceModel.Type.STRING) {
+                    valueLength = ((String) singleResource.getValue()).length();
+                    value = ((String) singleResource.getValue())
+                            .substring(Math.min(valueLength, config.getLogMaxLength()));
+
+                } else {
+                    valueLength = ((byte[]) singleResource.getValue()).length;
+                    value = new String(Arrays.copyOf(((byte[]) singleResource.getValue()),
+                            Math.min(valueLength, config.getLogMaxLength())));
+                }
+                value = valueLength > config.getLogMaxLength() ? value + "..." : value;
+                msg = String.format("%s: Update finished successfully: Lwm2m code - %d Resource path - %s length - %s value - %s",
+                        LOG_LW2M_INFO, response.getCode().getCode(), request.getPath().toString(), valueLength, value);
+            } else {
+                value = this.converter.convertValue(singleResource.getValue(),
+                        singleResource.getType(), ResourceModel.Type.STRING, request.getPath());
+                msg = String.format("%s: Update finished successfully: Lwm2m code - %d Resource path - %s value - %s",
+                        LOG_LW2M_INFO, response.getCode().getCode(), request.getPath().toString(), value);
+            }
+            if (msg != null) {
+                serviceImpl.sendLogsToThingsboard(msg, registration.getId());
+                log.warn("[{}] [{}] [{}] - [{}] [{}] Update finished successfully: [{}]", request.getClass().getName(), registration.getEndpoint(),
+                        ((Response) response.getCoapResponse()).getCode(), response.getCode(), request.getPath().toString(), value);
+            }
+        } catch (Exception e) {
+            log.trace("Fail convert value from request to string. ", e);
+        }
     }
     }
 }
 }