Thanks. I've tried to install the wallet tool but there was an error so I couldn't complete it. Naturally, if you have any suggestions how I can fix the situation, please, please advise...
Here is the full response when I tried to install and check the wallet tool...
marco@marco-Lenovo-ideapad-120S-11IAP:~$ cd bitcoinj/tools
marco@marco-Lenovo-ideapad-120S-11IAP:~/bitcoinj/tools$ ./wallet-tool
Compiling WalletTool to a JAR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.google.inject.internal.cglib.core.$ReflectUtils$1 (file:/usr/share/maven/lib/guice.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
WARNING: Please consider reporting this to the maintainers of com.google.inject.internal.cglib.core.$ReflectUtils$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[INFO] Scanning for projects...
[INFO] Inspecting build with total of 5 modules...
[INFO] Installing Nexus Staging features:
[INFO] ... total of 5 executions of maven-deploy-plugin replaced with nexus-staging-maven-plugin
[WARNING] The project org.bitcoinj:bitcoinj-parent:pom:0.14.7 uses prerequisites which is only intended for maven-plugin projects but not for non maven-plugin projects. For such purposes you should use the maven-enforcer-plugin. See
https://maven.apache.org/enforcer/enforcer-rules/requireMavenVersion.html[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] bitcoinj Parent
[INFO] bitcoinj
[INFO] bitcoinj Examples
[INFO] bitcoinj Tools
[INFO] bitcoinj Wallet-Template
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building bitcoinj Parent 0.14.7
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-enforcer-plugin:1.0:enforce (enforce-maven) @ bitcoinj-parent ---
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building bitcoinj 0.14.7
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-enforcer-plugin:1.0:enforce (enforce-maven) @ bitcoinj-core ---
[INFO]
[INFO] --- jacoco-maven-plugin:0.7.5.201505241946:prepare-agent (pre-unit-test) @ bitcoinj-core ---
[INFO] surefireArgLine set to -javaagent:/home/marco/.m2/repository/org/jacoco/org.jacoco.agent/0.7.5.201505241946/org.jacoco.agent-0.7.5.201505241946-runtime.jar=destfile=/home/marco/bitcoinj/core/target/coverage-reports/jacoco.exec,excludes=**/Protos*.class:org/bitcoinj/jni/*:org/bitcoin/*
[INFO]
[INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ bitcoinj-core ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 4 resources
[INFO]
[INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ bitcoinj-core ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 287 source files to /home/marco/bitcoinj/core/target/classes
[INFO] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/core/Peer.java: Some input files use unchecked or unsafe operations.
[INFO] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/core/Peer.java: Recompile with -Xlint:unchecked for details.
[INFO] -------------------------------------------------------------
[WARNING] COMPILATION WARNING :
[INFO] -------------------------------------------------------------
[WARNING] bootstrap class path not set in conjunction with -source 6
[WARNING] source value 6 is obsolete and will be removed in a future release
[WARNING] target value 1.6 is obsolete and will be removed in a future release
[WARNING] To suppress warnings about obsolete options, use -Xlint:-options.
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/wallet/Wallet.java:[72,37] org.bitcoinj.wallet.listeners.WalletEventListener in org.bitcoinj.wallet.listeners has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/jni/NativeWalletEventListener.java:[24,37] org.bitcoinj.wallet.listeners.WalletEventListener in org.bitcoinj.wallet.listeners has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/wallet/Wallet.java:[2507,34] org.bitcoinj.wallet.listeners.WalletEventListener in org.bitcoinj.wallet.listeners has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/wallet/Wallet.java:[4052,40] correctlySpends(org.bitcoinj.core.Transaction,long,org.bitcoinj.script.Script) in org.bitcoinj.script.Script has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/script/Script.java:[536,62] decodeFromBitcoin(byte[],boolean) in org.bitcoinj.crypto.TransactionSignature has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/script/Script.java:[1527,64] decodeFromBitcoin(byte[],boolean) in org.bitcoinj.crypto.TransactionSignature has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/core/ECKey.java:[234,30] createPoint(java.math.BigInteger,java.math.BigInteger,boolean) in org.spongycastle.math.ec.ECCurve has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/core/PeerAddress.java:[74,73] ChildMessage() in org.bitcoinj.core.ChildMessage has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/core/PeerAddress.java:[135,51] ChildMessage() in org.bitcoinj.core.ChildMessage has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/core/TransactionInput.java:[431,23] correctlySpends(org.bitcoinj.core.Transaction,long,org.bitcoinj.script.Script) in org.bitcoinj.script.Script has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/protocols/channels/PaymentChannelServerState.java:[242,62] decodeFromBitcoin(byte[],boolean) in org.bitcoinj.crypto.TransactionSignature has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/utils/BtcFormat.java:[1287,45] ROUND_HALF_UP in java.math.BigDecimal has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/utils/BtcFormat.java:[1286,85] setScale(int,int) in java.math.BigDecimal has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/signers/CustomTransactionSigner.java:[71,36] correctlySpends(org.bitcoinj.core.Transaction,long,org.bitcoinj.script.Script) in org.bitcoinj.script.Script has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/crypto/LinuxSecureRandom.java:[35,13] Provider(java.lang.String,double,java.lang.String) in java.security.Provider has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/core/listeners/DownloadProgressTracker.java:[39,46] org.bitcoinj.core.listeners.AbstractPeerDataEventListener in org.bitcoinj.core.listeners has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/wallet/WalletProtobufSerializer.java:[540,74] newInstance() in java.lang.Class has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/protocols/channels/PaymentChannelV1ClientState.java:[231,61] decodeFromBitcoin(byte[],boolean) in org.bitcoinj.crypto.TransactionSignature has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/jni/NativePeerEventListener.java:[31,49] org.bitcoinj.core.listeners.PeerConnectionEventListener in org.bitcoinj.core.listeners has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/store/WindowsMMapHack.java:[34,29] sun.nio.ch.DirectBuffer is internal proprietary API and may be removed in a future release
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/jni/NativeWalletEventListener.java:[33,51] org.bitcoinj.wallet.listeners.WalletEventListener in org.bitcoinj.wallet.listeners has been deprecated
[WARNING] /home/marco/bitcoinj/core/src/main/java/org/bitcoinj/protocols/channels/PaymentChannelClient.java:[723,29] sameThreadExecutor() in com.google.common.util.concurrent.MoreExecutors has been deprecated
[INFO] 26 warnings
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[ERROR] COMPILATION ERROR :
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