better error messge

Author: yegor256

src/main/java/org/cactoos/Fallback.java

@@ -118,7 +118,7 @@ public int support(final Throwable exception) {
         }
 
         @Override
-        public X apply(final Throwable input) throws Exception {
+        public X apply(final Throwable input) {
             throw new IllegalStateException(input);
         }
     }

src/main/java/org/cactoos/io/CloseShieldInputStream.java

@@ -68,7 +68,7 @@ public int read(final byte[] buffer, final int offset,
     }
 
     @Override
-    public void close() throws IOException {
+    public void close() {
         this.inner.set(new DeadInputStream());
     }
 

src/main/java/org/cactoos/io/CloseShieldOutputStream.java

@@ -73,7 +73,7 @@ public void flush() throws IOException {
     }
 
     @Override
-    public void close() throws IOException {
+    public void close() {
         this.inner.set(new DeadOutputStream());
     }
 

src/main/java/org/cactoos/io/HeadInputStream.java

@@ -58,7 +58,7 @@ public final class HeadInputStream extends InputStream {
     public HeadInputStream(final InputStream orig, final int len) {
         super();
         this.origin = orig;
-        this.length = len;
+        this.length = (long) len;
     }
 
     @Override
@@ -67,7 +67,7 @@ public int read() throws IOException {
         if (this.processed >= this.length) {
             adjusted = -1;
         } else {
-            this.processed += 1;
+            this.processed += 1L;
             adjusted = this.origin.read();
         }
         return adjusted;
@@ -96,7 +96,7 @@ public void reset() throws IOException {
     public int available() throws IOException {
         final int available = this.origin.available();
         final int adjusted;
-        if (this.processed + available > this.length) {
+        if (this.processed + (long) available > this.length) {
             adjusted = (int) (this.length - this.processed);
         } else {
             adjusted = available;

src/main/java/org/cactoos/io/LoggingInputStream.java

@@ -142,7 +142,7 @@ public int read(final byte[] buf, final int offset, final int len)
         final int byts = this.origin.read(buf, offset, len);
         final Instant end = Instant.now();
         if (byts > 0) {
-            this.bytes.getAndAdd(byts);
+            this.bytes.getAndAdd((long) byts);
             final long millis = Duration.between(start, end).toMillis();
             this.time.getAndAdd(millis);
         }

src/main/java/org/cactoos/io/LoggingOutputStream.java

@@ -118,7 +118,7 @@ public void write(final byte[] buf, final int offset,
         final Instant start = Instant.now();
         this.origin.write(buf, offset, len);
         final Instant end = Instant.now();
-        this.bytes.getAndAdd(len);
+        this.bytes.getAndAdd((long) len);
         final long millis = Duration.between(start, end).toMillis();
         this.time.getAndAdd(millis);
         final Level level = this.logger.getLevel();

src/main/java/org/cactoos/io/ResourceOf.java

@@ -160,9 +160,10 @@ public ResourceOf(final Text res, final ClassLoader ldr) {
             input -> {
                 throw new IOException(
                     new FormattedText(
-                        "The resource \"%s\" was not found in %s",
+                        "The resource \"%s\" was not found in %s (%s)",
                         input,
-                        ldr
+                        ldr,
+                        ldr.getClass().getCanonicalName()
                     ).asString()
                 );
             },

src/main/java/org/cactoos/number/AvgOf.java

@@ -72,9 +72,9 @@ public AvgOf(final Iterable<? extends Number> src) {
                     (Iterator<? extends Number> it) -> it.hasNext(),
                     it -> {
                         BigDecimal total = BigDecimal.ZERO;
-                        long qty = 0;
+                        long qty = 0L;
                         for (final Number value: new IterableOf<>(it)) {
-                            qty += 1;
+                            qty += 1L;
                             total = total.add(
                                 new BigDecimal(value.toString())
                             );

src/main/java/org/cactoos/scalar/Equality.java

@@ -70,7 +70,7 @@ public Integer value() throws Exception {
             () -> {
                 int result = 0;
                 for (int idx = rght.length - 1; idx >= 0; --idx) {
-                    result = lft[idx] - rght[idx];
+                    result = (int) lft[idx] - (int) rght[idx];
                     if (result != 0) {
                         break;
                     }

src/main/java/org/cactoos/scalar/LengthOf.java

@@ -47,7 +47,7 @@ public final class LengthOf extends ScalarEnvelope<Long> {
     public LengthOf(final Iterable<?> items) {
         this(() -> {
             final Iterator<?> iterator = items.iterator();
-            long size = 0;
+            long size = 0L;
             while (iterator.hasNext()) {
                 iterator.next();
                 ++size;